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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
Robert J. Janssen, PE

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.

Daniel R. Holte, PG
John McCormick

John McCormick

Chief Operating Officer

John McCormick joined Braun Intertec in 2016 and serves as Chief Operating Officer. As a seasoned C-level business executive, John brings over 30 years of broad operations and financial experience. In particular, John has an extensive background with growing employee-owned companies. Prior to joining Braun Intertec, John led operations and financial teams at companies within the service, technology and manufacturing industries. His organizational experience ranges from start-ups to large mid-cap organizations. John began his career at Arthur Andersen & Co. He is a certified public accountant (inactive) and received the notable Elijah Watt Sells award. John earned a Bachelor of Science degree in accounting from the University of Wisconsin – Stevens Point and completed the Minnesota Executive Program at the Carlson School of Management at the University of Minnesota. John is a board member for Realityworks and Kreg Tool, both ESOP companies. He also serves on the boards of Bolder Options and the Pinkyswear Foundation. John formerly was a board member of Employee S Corporations of America (ESCA). John is active in the philanthropic community and volunteers as an adaptive downhill ski instructor for skiers with physical and cognitive disabilities.

Nic S. Andreani, PE
Scott K. Beadleston

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 our account management and client experience team which focuses on providing exceptional service to our clients and is also on the Braun Intertec Board of Directors. As a principal scientist, 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 50 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.

Carmen M. Borgeson, MBA
Michael L. Bratrud, PG

Michael L. Bratrud, PG

Senior Vice President

Mike Bratrud is Senior Vice President and Corporate Officer at Braun Intertec. As the leader of our technical services team, Mike currently oversees our building and structure sciences, drilling, geospatial operations, materials laboratory and nondestructive examination services. Mike also serves as a chair of 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
Timothy S. Lenway, MPH

Timothy S. Lenway, MPH

Senior Vice President

Tim serves as Senior Vice President and Corporate Officer at Braun Intertec. Tim leads the environmental consulting team for our upper Midwest region, which includes our operations in Minnesota, North Dakota and Wisconsin, and also serves on the Braun Intertec Board of Directors. His primary practice area is within brownfield redevelopment and he has extensive experience obtaining environmental investigation and cleanup grants that are available through a variety of public funding sources. 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
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 engineering and testing division for our South Central region, including Iowa, Kansas/Missouri, Louisiana and Texas. Ryan has nearly 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 a significant service division. 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. In addition, he is active in several trade associations including the American Society of Civil Engineers, the Construction Specifications Institute and the Institute for Supply Management.

Vice Presidents

Andrew Adams, CHMM, MBA
Michael Beck, PE

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 M. Cadenhead, PE

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.

Marvin C. Denne
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 lead 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
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
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
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
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
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
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
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
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.