About Us
Jack Braun founded Braun Intertec out of his house almost sixty years ago and the company has grown to more than 1,000 employee-owners, 30 offices, and nine major service areas, including geotechnical engineering, environmental consulting, construction materials testing, nondestructive examination and more. Our leaders provide guidance and strategic direction to sustain revenue growth and ongoing career opportunities for our employee-owners. Leadership is also focused on building trust-based relationships with our clients to deliver quality services and enhance the communities in which we live and work.
Senior Leadership Team
Jon A. Carlson, PG, CHMM
Jon A. Carlson, PG, CHMM
Chief Executive Officer
Jon Carlson, Chief Executive Officer, joined Braun Intertec in 1988 and began working as an environmental technician. Recognized for his hard work, client relationship-building skills and dedication to the ongoing development of Braun Intertec, he was steadily promoted and became a Principal and Vice President of the environmental consulting group in 2000. In 2007, he was appointed President of Braun Intertec, and in 2009, he was appointed Chief Executive Officer. As CEO, Jon provides leadership and direction to the Braun Intertec strategic management team, which is responsible for strategic business planning and overall business leadership. His breadth of experience, combined with his practical know-how, resonates through the way he serves clients and delivers value to major projects. As Jon continues to lead the Braun Intertec team, he remains committed to positioning Braun Intertec as the Consultant of Choice and Employer of Choice in the AEC industry. Jon received a Bachelor of Science degree in geology and in geophysics, and also received a Master of Science degree in management of technology from the University of Minnesota. He is a registered professional geologist and a certified hazardous materials manager.
Robert J. Janssen, PE
Jon A. Carlson, PG, CHMM
Chief Executive Officer
Jon Carlson, Chief Executive Officer, joined Braun Intertec in 1988 and began working as an environmental technician. Recognized for his hard work, client relationship-building skills and dedication to the ongoing development of Braun Intertec, he was steadily promoted and became a Principal and Vice President of the environmental consulting group in 2000. In 2007, he was appointed President of Braun Intertec, and in 2009, he was appointed Chief Executive Officer. As CEO, Jon provides leadership and direction to the Braun Intertec strategic management team, which is responsible for strategic business planning and overall business leadership. His breadth of experience, combined with his practical know-how, resonates through the way he serves clients and delivers value to major projects. As Jon continues to lead the Braun Intertec team, he remains committed to positioning Braun Intertec as the Consultant of Choice and Employer of Choice in the AEC industry. Jon received a Bachelor of Science degree in geology and in geophysics, and also received a Master of Science degree in management of technology from the University of Minnesota. He is a registered professional geologist and a certified hazardous materials manager.
Robert J. Janssen, PE
President, Principal Engineer
As President and Principal Engineer, Bob Janssen supervises project teams and reviews geotechnical and construction reports. Bob oversees the engineering and testing services for national retail clients and projects. He has led more than 400 national retail store and 25 major distribution center projects located throughout the United States. He reviews engineering reports, performs peer reviews of other consultants, manages construction quality control, and provides consultation for particularly complex projects. Bob holds a Bachelor of Science degree in geological engineering from the University of Minnesota.
Nic S. Andreani, PE
Nic S. Andreani, PE
Senior Vice President
Nic Andreani serves as Senior Vice President and Corporate Officer at Braun Intertec. Nic leads the environmental consulting team for our South Central region, which includes our operations in Iowa, Kansas/Missouri, Louisiana and Texas. Nic previously served as President of W&M Environmental Group, a Division of Braun Intertec. He has significant experience in regulatory compliance with specific expertise in remediation of impacted soil and groundwater, brownfield transactions, permitting, development and implementation of corporate-level compliance management programs, strategic planning, and environmental litigation support. He has managed regional portfolios of impacted properties for Fortune 500 companies ranging from preliminary assessments to regulatory closure through state voluntary cleanup programs and has worked on high profile matters such as the Deepwater Horizon incident. Nic holds a Bachelor of Science degree in Mechanical Engineering from Texas A&M University. He is active in many associations including the Air and Water Management Association, the San Antonio Manufacturers Association and the Texas Mining and Reclamation Association. Nic also serves as a board member for Easter Seals Central Texas and the Industry Council on the Environment.
Scott K. Beadleston
Nic S. Andreani, PE
Senior Vice President
Nic Andreani serves as Senior Vice President and Corporate Officer at Braun Intertec. Nic leads the environmental consulting team for our South Central region, which includes our operations in Iowa, Kansas/Missouri, Louisiana and Texas. Nic previously served as President of W&M Environmental Group, a Division of Braun Intertec. He has significant experience in regulatory compliance with specific expertise in remediation of impacted soil and groundwater, brownfield transactions, permitting, development and implementation of corporate-level compliance management programs, strategic planning, and environmental litigation support. He has managed regional portfolios of impacted properties for Fortune 500 companies ranging from preliminary assessments to regulatory closure through state voluntary cleanup programs and has worked on high profile matters such as the Deepwater Horizon incident. Nic holds a Bachelor of Science degree in Mechanical Engineering from Texas A&M University. He is active in many associations including the Air and Water Management Association, the San Antonio Manufacturers Association and the Texas Mining and Reclamation Association. Nic also serves as a board member for Easter Seals Central Texas and the Industry Council on the Environment.
Scott K. Beadleston
Senior Vice President
Scott Beadleston joined Braun Intertec in 2015 and currently serves as Senior Vice President and Corporate Officer. Scott leads the teams responsible for client experience, strategic client account and market growth, and provides leadership and vision for marketing shared services which manages our brand and focuses on developing authentic messaging that differentiates Braun Intertec in the marketplace. In addition, he is a member of the Braun Intertec Board of Directors and has served on the Governance, Audit & Finance, 401K, and Search & Nominating Sub-Committees (Chair). As a principal technical professional, Scott provides programmatic client service management and technical excellence to clients and projects throughout the United States. Prior to joining Braun Intertec, Scott worked for two ENR top design firms; and has held roles in project management, operations management, and national account management. Scott holds a Bachelor of Science degree from Baker University, and a Master of Science degree in engineering management from the University of Kansas, School of Engineering.
Michael L. Bratrud, PG
Michael L. Bratrud, PG
Senior Vice President
Mike Bratrud is Senior Vice President and Corporate Officer at Braun Intertec. As a leader of our operations team, Mike currently oversees our building and structure sciences and nondestructive examination divisions. As a professional geologist and principal scientist, Mike conducts environmental consulting work for clients and projects throughout the United States. Mike leads and assists with various operational and growth initiatives and serves on the Employee Stock Ownership Plan Advisory Committee where he is involved in promoting an employee ownership culture within Braun Intertec. He is well respected in the industry and viewed as a role model by his staff because of his technical proficiency and ability to engage and inspire others. Mike received a Bachelor of Arts degree in geology from Gustavus Adolphus College and completed graduate coursework in geology at the University of Minnesota in Duluth. He joined Braun Intertec in 1998.
Jennifer A. Clayson Kraus
Michael L. Bratrud, PG
Senior Vice President
Mike Bratrud is Senior Vice President and Corporate Officer at Braun Intertec. As a leader of our operations team, Mike currently oversees our building and structure sciences and nondestructive examination divisions. As a professional geologist and principal scientist, Mike conducts environmental consulting work for clients and projects throughout the United States. Mike leads and assists with various operational and growth initiatives and serves on the Employee Stock Ownership Plan Advisory Committee where he is involved in promoting an employee ownership culture within Braun Intertec. He is well respected in the industry and viewed as a role model by his staff because of his technical proficiency and ability to engage and inspire others. Mike received a Bachelor of Arts degree in geology from Gustavus Adolphus College and completed graduate coursework in geology at the University of Minnesota in Duluth. He joined Braun Intertec in 1998.
Jennifer A. Clayson Kraus
Senior Vice President, General Counsel
Jennifer Clayson Kraus currently serves as Senior Vice President and as the Braun Intertec General Counsel. Jennifer is responsible for the firm’s legal affairs, risk management and compliance matters, as well as providing guidance on business strategies. Prior to joining Braun Intertec, Jennifer served as General Counsel at Parsons Electric, a leading electrical and technology construction contractor, for over a decade. While at Parsons, Jennifer established and led an internal legal team. In addition, Jennifer helped develop strategic growth initiatives as a member of the corporate executive management team. Jennifer holds a Bachelor of Arts degree in political science from Hamline University and a Juris Doctorate degree from Valparaiso University School of Law. She is active in the AEC industry and serves as a legislative affairs committee member for the Associated General Contractors of Minnesota. Jennifer is also a member of the American Bar Association and the Minnesota State Bar Association.
Timothy S. Lenway, MPH
Timothy S. Lenway, MPH
Senior Vice President
Tim serves as Senior Vice President and Corporate Officer at Braun Intertec. He also serves on the Braun Intertec Board of Directors and the Braun Intertec Foundation. In addition to his environmental consulting work with several long term clients, Tim leads the national sales and lead generation team with a focus on developing new revenue sources for Braun Intertec. Tim holds a Bachelor of Science degree in environmental science and urban planning from Minnesota State University, Mankato, and a Master of Public Health degree in environmental health sciences from the University of Minnesota, Twin Cities. He is currently enrolled in the executive education program at the University of St. Thomas Opus School of Business.
Sean S. Swartz, PE
Timothy S. Lenway, MPH
Senior Vice President
Tim serves as Senior Vice President and Corporate Officer at Braun Intertec. He also serves on the Braun Intertec Board of Directors and the Braun Intertec Foundation. In addition to his environmental consulting work with several long term clients, Tim leads the national sales and lead generation team with a focus on developing new revenue sources for Braun Intertec. Tim holds a Bachelor of Science degree in environmental science and urban planning from Minnesota State University, Mankato, and a Master of Public Health degree in environmental health sciences from the University of Minnesota, Twin Cities. He is currently enrolled in the executive education program at the University of St. Thomas Opus School of Business.
Sean S. Swartz, PE
Senior Vice President
Sean Swartz serves as Senior Vice President and Corporate Officer at Braun Intertec. Sean leads the engineering and testing division for our upper Midwest region, which includes our operations in Minnesota, North Dakota and Wisconsin. Sean started his journey with Braun Intertec in the St. Cloud office in 1999, and previously lead our North Dakota engineering team and operations out of our Fargo office. Sean has a Bachelor of Science degree in geological engineering from the University of Minnesota.
Ryan J. Venable
Ryan J. Venable
Senior Vice President
Ryan Venable serves as Senior Vice President and Corporate Officer at Braun Intertec. He leads the operations management group, which includes business technology, asset management and operations support. He also leads growth initiatives for engineering and testing, building and structure sciences and nondestructive examination teams, and serves on our Strategy and Investment Team which manages Mergers and Acquisitions and organic growth. Ryan has 20 years of diverse management experience ranging from operations to business development and marketing to project administration. He has previously held the position of Chief Operations Officer for a regional consulting firm, director for a national engineering and consulting firm and principal of an international consulting firm, where he managed various U.S. operations including directing multiple departments and service divisions. He is experienced with large commercial and civil construction projects and is well-versed in the oil and gas industry, having established relationships with executives globally. Ryan holds a Bachelor of Science degree in Business Administration from the University of Louisiana at Lafayette. He is active in several trade associations including the American Society of Civil Engineers and American Council of Engineering Companies.
Ryan J. Venable
Senior Vice President
Ryan Venable serves as Senior Vice President and Corporate Officer at Braun Intertec. He leads the operations management group, which includes business technology, asset management and operations support. He also leads growth initiatives for engineering and testing, building and structure sciences and nondestructive examination teams, and serves on our Strategy and Investment Team which manages Mergers and Acquisitions and organic growth. Ryan has 20 years of diverse management experience ranging from operations to business development and marketing to project administration. He has previously held the position of Chief Operations Officer for a regional consulting firm, director for a national engineering and consulting firm and principal of an international consulting firm, where he managed various U.S. operations including directing multiple departments and service divisions. He is experienced with large commercial and civil construction projects and is well-versed in the oil and gas industry, having established relationships with executives globally. Ryan holds a Bachelor of Science degree in Business Administration from the University of Louisiana at Lafayette. He is active in several trade associations including the American Society of Civil Engineers and American Council of Engineering Companies.
Vice Presidents
Andrew Adams, CHMM, MBA
Andrew Adams, CHMM, MBA
Vice President, Principal Scientist
Andy Adams joined Braun Intertec in 2018 and serves as a Vice President within our Environmental Consulting division and as a Principal Scientist. Andy has 17 years of experience and is recognized and published for his expertise in fate, transport, and degradation of environmental pollutants. He consults in the field of integrated site closure of large industrial, petrochemical, manufacturing, and oil and gas facilities. He also has experience in the remediation of impacted soil and groundwater, brownfield transactions, and voluntary cleanup/corrective action programs. His projects often center on the effective cleanup and disposal of complex RCRA and CERCLA waste and the role these pollutants play in exposure, risk, and human/ecological impacts. He has worked on high profile matters such as the Deepwater Horizon incident, the Intercontinental Terminals Company (ITC) Incident, the Closure of the Brown & Root Shipyard/Campus, the portfolio closure of a Fortune 500 company’s liabilities, and the establishment of environmental management structures. Andy holds a Bachelor of Science degree in environmental studies from the University of Kansas, a Master of Science in environmental health from the University of Minnesota and a Master of Business Administration from the University of Houston-Downtown.
Michael Beck, PE
Andrew Adams, CHMM, MBA
Vice President, Principal Scientist
Andy Adams joined Braun Intertec in 2018 and serves as a Vice President within our Environmental Consulting division and as a Principal Scientist. Andy has 17 years of experience and is recognized and published for his expertise in fate, transport, and degradation of environmental pollutants. He consults in the field of integrated site closure of large industrial, petrochemical, manufacturing, and oil and gas facilities. He also has experience in the remediation of impacted soil and groundwater, brownfield transactions, and voluntary cleanup/corrective action programs. His projects often center on the effective cleanup and disposal of complex RCRA and CERCLA waste and the role these pollutants play in exposure, risk, and human/ecological impacts. He has worked on high profile matters such as the Deepwater Horizon incident, the Intercontinental Terminals Company (ITC) Incident, the Closure of the Brown & Root Shipyard/Campus, the portfolio closure of a Fortune 500 company’s liabilities, and the establishment of environmental management structures. Andy holds a Bachelor of Science degree in environmental studies from the University of Kansas, a Master of Science in environmental health from the University of Minnesota and a Master of Business Administration from the University of Houston-Downtown.
Michael Beck, PE
Vice President
Michael Beck joined Braun Intertec in 2012 and currently serves as a Vice President within our Environmental Consulting division. Michael also leads the environmental consulting technical practice team, which focuses on ensuring that the environmental consulting team collects high quality environmental samples, generates high quality deliverables, and adapts procedures to comply with constantly evolving regulations. Michael has 27 years of experience in civil engineering and environmental consulting focusing on soil and groundwater investigation and remediation projects. He has significant experience developing risk-based remediation strategies for redevelopment projects and has directed design and implementation of numerous projects involving environmental investigation and remediation, restricted waste abatement, building demolition, and geotechnical soil correction to support site development. Michael holds a Bachelor of Science degree in civil engineering from the University of Minnesota and a Master of Science in civil engineering from Stanford University.
Charles R. Brenner, PE, LEED AP
Charles R. Brenner, PE, LEED AP
Vice President
Charles Brenner is Vice President and a Principal Materials Engineer within our Building and Structure Sciences group at Braun Intertec. He has extensive training and experience with construction issues related to building envelopes, pavements, landfills and industrial plants. He has consulted with clients and the Federal Emergency Management Agency (FEMA) on major flood recoveries. Charles performs property condition assessments, investigates failures and prepares recommendations for historic building restorations. He assesses water damage and mold issues in buildings, and oversees repair plans. Charles holds a Bachelor of Science degree in civil engineering from the University of Wisconsin-Platteville.
Charles M. Cadenhead, PE
Charles R. Brenner, PE, LEED AP
Vice President
Charles Brenner is Vice President and a Principal Materials Engineer within our Building and Structure Sciences group at Braun Intertec. He has extensive training and experience with construction issues related to building envelopes, pavements, landfills and industrial plants. He has consulted with clients and the Federal Emergency Management Agency (FEMA) on major flood recoveries. Charles performs property condition assessments, investigates failures and prepares recommendations for historic building restorations. He assesses water damage and mold issues in buildings, and oversees repair plans. Charles holds a Bachelor of Science degree in civil engineering from the University of Wisconsin-Platteville.
Charles M. Cadenhead, PE
Vice President, Transportation Market Lead
Charles Cadenhead currently serves as Vice President and leader of our transportation market. His primary responsibility is collaborating and engaging with clients and Braun Intertec professionals to grow transportation projects and business throughout the organization. With more than 25 years of experience, Charles has gained significant knowledge of all aspects of transportation engineering including planning, design, construction and maintenance. He has a deep understanding of a variety of project delivery methods, working on high-profile projects such as the I-694/I-94 Lane Addition and TH 212 Design-Build project, as well as the first municipally led design-build project, Anoka County - CSAH 14, in Minnesota. Charles holds a Bachelor of Science in Civil Engineering degree, as well as a Master of Science degree in Infrastructure Systems from the University of Minnesota.
Rob Chvatal
Rob Chvatal
Vice President, Safety
Rob Chvatal joined the Braun Intertec senior leadership team in early 2019 with more than 20 years of experience in workplace safety, and over 30 years of experience in system improvement, culture change and leadership development. As Vice President of Safety at Braun Intertec, Rob works closely with everyone from frontline employees to executive leaders to determine safety needs and priorities, and then coordinates with managers at all levels to execute on those priorities. He focuses on strategies and initiatives that drive a safety culture of both demonstrated leadership commitment and personal accountability from all employee owners. Rob leads the development of the Braun Intertec safety capability in areas including employee engagement and ownership of personal safety, incident response and investigation, follow through on corrective action and the continuous improvement of safety processes and tools. He is also responsible for the development, communication, and response strategies to leading and lagging safety performance measures. Rob holds a Bachelor of Science degree in Computational Mathematics from Eastern Illinois University.
Marvin C. Denne
Rob Chvatal
Vice President, Safety
Rob Chvatal joined the Braun Intertec senior leadership team in early 2019 with more than 20 years of experience in workplace safety, and over 30 years of experience in system improvement, culture change and leadership development. As Vice President of Safety at Braun Intertec, Rob works closely with everyone from frontline employees to executive leaders to determine safety needs and priorities, and then coordinates with managers at all levels to execute on those priorities. He focuses on strategies and initiatives that drive a safety culture of both demonstrated leadership commitment and personal accountability from all employee owners. Rob leads the development of the Braun Intertec safety capability in areas including employee engagement and ownership of personal safety, incident response and investigation, follow through on corrective action and the continuous improvement of safety processes and tools. He is also responsible for the development, communication, and response strategies to leading and lagging safety performance measures. Rob holds a Bachelor of Science degree in Computational Mathematics from Eastern Illinois University.
Marvin C. Denne
Vice President
Marv Denne currently serves as Vice President and also manages the Nondestructive Examination Services (NDE) group. Marv has more than 35 years of NDE experience during his tenure at Braun Intertec. He has been instrumental in building one of the largest NDE practices in the upper midwest. He has been involved with thousands of projects for Braun Intertec clients, is an American Society for Nondestructive Testing (ASNT) National Level III, and has many other national certifications. He works with a number of clients in the refinery, power generation, manufacturing and fabrication markets. He is also a member of the company’s Employee Stock Ownership Program Retirement Plan Advisory Committee. Marv received his degree in nondestructive testing technology at Ridgewater College.
Jaclyn E. Dylla, CHMM
Jaclyn E. Dylla, CHMM
Vice President, Principal Scientist
Jackie Dylla serves as Vice President and Principal Scientist at Braun Intertec. As a leader in our Environmental Consulting group, Jackie is focused on the growth and delivery of transportation projects in our Upper Midwest region. She also manages a team of employee-owners dedicated to transportation and other corridor projects and is a technical leader for environmental compliance related to design build projects. With more than 20 years in the environmental consulting field, Jackie has extensive experience with projects requiring a “turn key” approach from the initial project design phase to construction. She has also been a key member on several high-profile projects throughout her career, including the I-35W Bridge collapse and the Green Line Light Rail project. At Braun Intertec, she has also led and developed committees that encourage employee-ownership thinking as well as a diverse workforce through our Ownership at Work and Empower Women groups. Jackie is also an active member in several professional affiliations, including WTS – Advancing Women in Transportation, Minnesota Surveyors and Engineers Society (MSES), and the American Council of Engineering Companies (ACEC). Jackie holds a Bachelor of Science degree in environmental science from the University of Minnesota.
Greg W. Ebeling
Jaclyn E. Dylla, CHMM
Vice President, Principal Scientist
Jackie Dylla serves as Vice President and Principal Scientist at Braun Intertec. As a leader in our Environmental Consulting group, Jackie is focused on the growth and delivery of transportation projects in our Upper Midwest region. She also manages a team of employee-owners dedicated to transportation and other corridor projects and is a technical leader for environmental compliance related to design build projects. With more than 20 years in the environmental consulting field, Jackie has extensive experience with projects requiring a “turn key” approach from the initial project design phase to construction. She has also been a key member on several high-profile projects throughout her career, including the I-35W Bridge collapse and the Green Line Light Rail project. At Braun Intertec, she has also led and developed committees that encourage employee-ownership thinking as well as a diverse workforce through our Ownership at Work and Empower Women groups. Jackie is also an active member in several professional affiliations, including WTS – Advancing Women in Transportation, Minnesota Surveyors and Engineers Society (MSES), and the American Council of Engineering Companies (ACEC). Jackie holds a Bachelor of Science degree in environmental science from the University of Minnesota.
Greg W. Ebeling
Vice President
Greg Ebeling currently serves as Vice President and Operations Manager for our Nondestructive Examination Services (NDE) group. Since joining Braun Intertec in 1991, he’s held many key responsibilities such as the coordination of the NDE department’s quality assurance/quality control program. Greg is heavily involved in business development opportunities for the NDE group and has helped to secure many high-profile projects over the years. He is a certified American Petroleum Institute (API) 570 Piping Inspector as well as an American Welding Society (AWS) Certified Welding Inspector. Greg received his Associate of Applied Science degree in Nondestructive Testing from Ridgewater College.
Jeffrey A. Gebhard, PE
Jeffrey A. Gebhard, PE
Vice President, Principal Engineer
As Vice President and Principal Engineer, Jeff oversees corporate strategic initiatives focusing on geographic and technical growth. He also manages project teams involved with transportation, deep foundations and design-build projects. Jeff joined Braun Intertec in 2006, where he quickly ascended through the ranks to the position of Principal Engineer. He served as the lead geotechnical engineer for a number of large projects, including the I-35W Bridge project where he oversaw a unique and important deep foundations testing program that was later recognized for its innovative and cost-saving design by the Minnesota Society of Professional Engineers, the Deep Foundations Institute and the Minnesota Chapter of the American Council of Engineering Companies. Jeff currently leads some of the largest projects at Braun Intertec including the IFCO Fertilizer Plant in Wever, Iowa and the Red Rock Dam Hydroelectric project in Pella, Iowa. Jeff holds a Bachelor of Arts degree in civil engineering from Iowa State University and a Master of Science degree in management of technology from the University of Minnesota.
Ken J. Haag
Jeffrey A. Gebhard, PE
Vice President, Principal Engineer
As Vice President and Principal Engineer, Jeff oversees corporate strategic initiatives focusing on geographic and technical growth. He also manages project teams involved with transportation, deep foundations and design-build projects. Jeff joined Braun Intertec in 2006, where he quickly ascended through the ranks to the position of Principal Engineer. He served as the lead geotechnical engineer for a number of large projects, including the I-35W Bridge project where he oversaw a unique and important deep foundations testing program that was later recognized for its innovative and cost-saving design by the Minnesota Society of Professional Engineers, the Deep Foundations Institute and the Minnesota Chapter of the American Council of Engineering Companies. Jeff currently leads some of the largest projects at Braun Intertec including the IFCO Fertilizer Plant in Wever, Iowa and the Red Rock Dam Hydroelectric project in Pella, Iowa. Jeff holds a Bachelor of Arts degree in civil engineering from Iowa State University and a Master of Science degree in management of technology from the University of Minnesota.
Ken J. Haag
Vice President
Ken Haag currently serves as Vice President and oversees operations of the Braun Intertec offices in southern Texas and North Dakota. Ken has more than 25 years of experience serving oil and gas clients throughout North Dakota. From gas plants and pipelines to load out facilities and more, Ken is a seasoned veteran in the industry for geotechnical engineering, drilling, testing, NDE and environmental services. His knowledge and expertise of the industry brings safety and solutions to his clients’ time and time again.
Michael M. Heuer, PE
Michael M. Heuer, PE
Vice President, Principal Engineer
Mike Heuer currently serves as Vice President and Principal Engineer. Since joining the company in 1978, he has been responsible for developing and maintaining client relationships in the geotechnical and construction-related market sectors. With his experience and training, he developed the “Five Levels of Client Relationship Model” for Braun Intertec. Developing project-specific teams and scopes of work to provide the services that our clients need to achieve their geotechnical and construction-related goals are part of his overall responsibilities. He also serves as the corporate claims manager and liaison with corporate counsel. Mike remains actively involved with the University of Minnesota Civil, Environmental and Geo-Engineering department and serves on the Professional Advisory Board. He is also a member of the Braun Intertec Employee Stock Ownership Plan committee. Mike holds a Bachelor of Science degree in civil engineering from the University of Minnesota.
Ray A. Huber, PE
Michael M. Heuer, PE
Vice President, Principal Engineer
Mike Heuer currently serves as Vice President and Principal Engineer. Since joining the company in 1978, he has been responsible for developing and maintaining client relationships in the geotechnical and construction-related market sectors. With his experience and training, he developed the “Five Levels of Client Relationship Model” for Braun Intertec. Developing project-specific teams and scopes of work to provide the services that our clients need to achieve their geotechnical and construction-related goals are part of his overall responsibilities. He also serves as the corporate claims manager and liaison with corporate counsel. Mike remains actively involved with the University of Minnesota Civil, Environmental and Geo-Engineering department and serves on the Professional Advisory Board. He is also a member of the Braun Intertec Employee Stock Ownership Plan committee. Mike holds a Bachelor of Science degree in civil engineering from the University of Minnesota.
Ray A. Huber, PE
Vice President, Principal Engineer
As Vice President and Principal Engineer, Ray Huber has more than 40 years of experience working in all sector groups such as industrial, office buildings, high-rise housing, housing subdivisions, and transportation. Ray has a Bachelor of Science degree in civil engineering from the University of Minnesota.
Gregg R. Jandro, PE, PG
Gregg R. Jandro, PE, PG
Vice President, Principal Engineer
Gregg Jandro currently services as Vice President and Principal Engineer. He is responsible for setting up major project work scopes, consulting on large geotechnical and construction projects, and helping lead the strategic initiatives for the markets that Braun Intertec serves. Gregg is known for his comprehensive knowledge of the construction process and his attention to detail. Gregg holds a Bachelor of Science degree in geological engineering from the University of Minnesota.
Stephen T. Jansen, MS, PG
Gregg R. Jandro, PE, PG
Vice President, Principal Engineer
Gregg Jandro currently services as Vice President and Principal Engineer. He is responsible for setting up major project work scopes, consulting on large geotechnical and construction projects, and helping lead the strategic initiatives for the markets that Braun Intertec serves. Gregg is known for his comprehensive knowledge of the construction process and his attention to detail. Gregg holds a Bachelor of Science degree in geological engineering from the University of Minnesota.
Stephen T. Jansen, MS, PG
Vice President, Principal Scientist
Steve Jansen joined Braun Intertec in 2015 and currently serves as a Vice President and Principal Scientist within our Upper Midwest Environmental Consulting division. He is responsible for business development, project management, technical review/support and staff management. Steve specializes in design and implementation of voluntary investigations and cleanups for brownfields redevelopment, as well as cleanup grant application preparation and grant management. Steve holds a Bachelor of Arts degree in geology from the University of St. Thomas in St. Paul, Minnesota and a Master of Science degree in geology from Idaho State University in Pocatello, Idaho.
Christopher R. Kehl, PE
Christopher R. Kehl, PE
Vice President, Principal Engineer
Chris Kehl serves as Vice President and Principal Engineer at Braun Intertec. Chris oversees operations for our Construction Materials Testing (CMT) group in the Twin Cities, as well as managing and reviewing construction material testing and geotechnical engineering projects. He is also responsible for leading the technical practice group for construction material testing. Since joining Braun Intertec in 2000, Chris has been a key member on many high-profile projects, including Central Corridor Light Rail Transit, U.S. Bank Stadium and Target Field. Chris holds a Bachelor of Science degree in civil engineering from the University of Wisconsin.
Gregg D. Kruse
Christopher R. Kehl, PE
Vice President, Principal Engineer
Chris Kehl serves as Vice President and Principal Engineer at Braun Intertec. Chris oversees operations for our Construction Materials Testing (CMT) group in the Twin Cities, as well as managing and reviewing construction material testing and geotechnical engineering projects. He is also responsible for leading the technical practice group for construction material testing. Since joining Braun Intertec in 2000, Chris has been a key member on many high-profile projects, including Central Corridor Light Rail Transit, U.S. Bank Stadium and Target Field. Chris holds a Bachelor of Science degree in civil engineering from the University of Wisconsin.
Gregg D. Kruse
Vice President, Principal Scientist
Gregg Kruse currently serves as Vice President and Principal Scientist at Braun Intertec. As a leader within our Environmental Consulting group, Gregg supports the day-to-day operations for this team across all geographies. In addition, Gregg leads our Operational Support Services group, which provides financial management services to engineering and testing, environmental consulting and technical services at Braun Intertec. He is also active in the company’s mergers, acquisition and integration efforts. With over 30 years of experience with Braun Intertec, Gregg has extensive knowledge designing and managing environmental remediation projects for a wide range of public, private, and commercial clients. Gregg holds a Bachelor of Arts degree in Business Administration from Concordia College.
Scott M. Mackiewicz, PHD, PE, D.GE
Scott M. Mackiewicz, PHD, PE, D.GE
Vice President, Principal Engineer
Scott Mackiewicz serves as Vice President and Principal Engineer at Braun Intertec. Scott leads the national Heavy Rail group and is focused on delivering engineering, construction management, and emergency response services to Class 1 railroads throughout the United States. With more than 25 years of geotechnical engineering experience, Scott has significant knowledge in the heavy rail and design build transportation markets and understands geotechnical risks, associated costs, and impacts to construction schedules in varying geographies and geologies. Scott routinely develops recommendations for deep foundations, ground improvement, MSE wall systems, as well as slope and subgrade stabilization. He is an active professional organizational member in the American Railway Engineering and Maintenance-of-Way Association (AREMA), GeoInstitute (GI) of the American Society of Civil Engineers (ASCE), and the International Society of Soil Mechanics. Scott holds a PhD in Civil Engineering with an emphasis in geotechnical and environmental engineering from Iowa State University and is an ASCE-AGP board certified Diplomate of Geotechnical Engineering.
Nathan L. McKinney, PE
Scott M. Mackiewicz, PHD, PE, D.GE
Vice President, Principal Engineer
Scott Mackiewicz serves as Vice President and Principal Engineer at Braun Intertec. Scott leads the national Heavy Rail group and is focused on delivering engineering, construction management, and emergency response services to Class 1 railroads throughout the United States. With more than 25 years of geotechnical engineering experience, Scott has significant knowledge in the heavy rail and design build transportation markets and understands geotechnical risks, associated costs, and impacts to construction schedules in varying geographies and geologies. Scott routinely develops recommendations for deep foundations, ground improvement, MSE wall systems, as well as slope and subgrade stabilization. He is an active professional organizational member in the American Railway Engineering and Maintenance-of-Way Association (AREMA), GeoInstitute (GI) of the American Society of Civil Engineers (ASCE), and the International Society of Soil Mechanics. Scott holds a PhD in Civil Engineering with an emphasis in geotechnical and environmental engineering from Iowa State University and is an ASCE-AGP board certified Diplomate of Geotechnical Engineering.
Nathan L. McKinney, PE
Vice President, Principal Engineer
Nate McKinney joined Braun Intertec in 2003 and currently serves as a Vice President and Principal Engineer within our Engineering and Testing division. Nate leads the technical practice team for the Braun Intertec engineering group and is focused on improving and strengthening our technical excellence. He is also a principal engineer who leads efforts related to geotechnical evaluations and project management of construction materials testing projects. He works in a variety of markets and has been a key member of notable projects such as the US61 Bridge over the Mississippi River, the Fargo-Moorhead Diversion, and the RBC Gateway tower. Nate holds a Bachelor of Civil Engineering degree from the University of Minnesota.
Gene Murray, PG
Gene Murray, PG
Vice President
Gene Murray joined Braun Intertec in 2018 and currently serves as Vice President of Sales. Gene leads our sales team which focuses on new business development. He is also a senior scientist with more than 40 years of experience conducting and managing Environmental Site Assessments (ESAs), Phase II Investigations, Leaking Petroleum Storage Tank (LPST) projects, non-hazardous and universal waste management, and in-situ chemical and biological remediation system design and implementation. Prior to joining Braun Intertec, Gene served as the Managing Partner of W&M Environmental Group, a division of Braun Intertec. Gene holds a Bachelor of Science degree in environmental earth science from the University of South Dakota, a Master of Science in hydrogeology from the University of Nebraska and a Master of Science in management from the University of Texas at Dallas.
Steven P. Nagle, PE
Gene Murray, PG
Vice President
Gene Murray joined Braun Intertec in 2018 and currently serves as Vice President of Sales. Gene leads our sales team which focuses on new business development. He is also a senior scientist with more than 40 years of experience conducting and managing Environmental Site Assessments (ESAs), Phase II Investigations, Leaking Petroleum Storage Tank (LPST) projects, non-hazardous and universal waste management, and in-situ chemical and biological remediation system design and implementation. Prior to joining Braun Intertec, Gene served as the Managing Partner of W&M Environmental Group, a division of Braun Intertec. Gene holds a Bachelor of Science degree in environmental earth science from the University of South Dakota, a Master of Science in hydrogeology from the University of Nebraska and a Master of Science in management from the University of Texas at Dallas.
Steven P. Nagle, PE
Vice President
Steve Nagle currently serves as Vice President and a member of the Board of Directors. Steve leads business initiatives in North Dakota and provides strategic direction for the Oil and Gas and Water Infrastructure market groups. He is a primary contact for many major clients in the transportation, oil and gas as well as flood control market sectors. He is currently spearheading efforts in the flood control market sector and has been a key consultant for major flood control projects including the Red River Diversion project and the Fargo/Moorhead South Side flood control project. Also, he works closely with several oil and gas clients to provide forensic engineering services to remediate oil pads impacted by landslides and differential movement of tanks and piping. Steve's dedication, can-do attitude and strategic leadership have made him a significant asset for Braun Intertec and his clients. Steve earned a Bachelor of Science degree in civil engineering from North Dakota State University.
Diana S. Rader, PG
Diana S. Rader, PG
Vice President
As Vice President and Strategic Account Manager, Diana’s primary focus is developing and optimizing relationships between key clients and Braun Intertec. Previously, Diana served as Principal and Regional Manager of Central and North Texas Operations at W&M Environmental Group, a division of Braun Intertec. Diana has more than 30 years of environmental consulting experience in soil and groundwater remediation, spill response, due diligence, and permitting for oil and gas pipelines, petroleum refining, petrochemical facilities and mining operations. Diana holds a Bachelor of Science degree in Geology from the University of Texas at Austin. She is also an active member in several professional associations, including the Austin Geological Society, Texas Mining and Reclamation Association, as well as the Industry Council on the Environment, for which she also formerly served as the chairman. Diana currently serves as President of the Advisory Board for the Mickey Leland Environmental Internship Program.
Christopher F. Thompson, PE
Diana S. Rader, PG
Vice President
As Vice President and Strategic Account Manager, Diana’s primary focus is developing and optimizing relationships between key clients and Braun Intertec. Previously, Diana served as Principal and Regional Manager of Central and North Texas Operations at W&M Environmental Group, a division of Braun Intertec. Diana has more than 30 years of environmental consulting experience in soil and groundwater remediation, spill response, due diligence, and permitting for oil and gas pipelines, petroleum refining, petrochemical facilities and mining operations. Diana holds a Bachelor of Science degree in Geology from the University of Texas at Austin. She is also an active member in several professional associations, including the Austin Geological Society, Texas Mining and Reclamation Association, as well as the Industry Council on the Environment, for which she also formerly served as the chairman. Diana currently serves as President of the Advisory Board for the Mickey Leland Environmental Internship Program.
Christopher F. Thompson, PE
Vice President, Principal Engineer
Chris Thompson currently serves as Vice President and Principal Engineer in the Environmental Consulting group of Braun Intertec. Chris provides strategic advice and specialized environmental engineering services for our clients throughout the United States in the areas of contaminated site investigation and remedial actions, with a particular focus on real property transactions and brownfield site redevelopment. Chris has provided environmental consulting and design engineering services to public and private sector clients since 1983. This work has ranged from discharge permit compliance to significant superfund site redevelopment projects throughout the United States. This work involves complex regulation interpretation, agency negotiation, litigation support, planning, design engineering, contract management, construction management and significant written work products. Chris holds a Master of Civil Engineering degree in environmental and water resources from the University of Minnesota College of Science and Engineering.
Josh Van Abel, PE
Josh Van Abel, PE
Vice President, Principal Engineer
Josh Van Abel joined Braun Intertec in 2000 and currently serves as Vice President and Principal Engineer within our Engineering and Testing division. He also serves as business unit manager of the Twin Cities Engineering Group. Josh specializes in overseeing geotechnical and construction testing services within the commercial and K-12 markets. Recent projects include the Ford Redevelopment Site, Minnesota Health Village, Lakehaus, Archive, Daymark Uptown, and several large-scale Amazon facilities. Josh holds a Bachelor of Science degree in civil engineering from Michigan Technological University.
Josh Van Abel, PE
Vice President, Principal Engineer
Josh Van Abel joined Braun Intertec in 2000 and currently serves as Vice President and Principal Engineer within our Engineering and Testing division. He also serves as business unit manager of the Twin Cities Engineering Group. Josh specializes in overseeing geotechnical and construction testing services within the commercial and K-12 markets. Recent projects include the Ford Redevelopment Site, Minnesota Health Village, Lakehaus, Archive, Daymark Uptown, and several large-scale Amazon facilities. Josh holds a Bachelor of Science degree in civil engineering from Michigan Technological University.