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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.

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 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
Jennifer A. Clayson Kraus

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
Sean S. Swartz, PE

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

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.

Rob Chvatal
Marvin C. Denne

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
Greg W. Ebeling

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
Ken J. Haag

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
Ray A. Huber, PE

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
Stephen T. Jansen, MS, PG

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
Gregg D. Kruse

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
Nathan L. McKinney, PE

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
Steven P. Nagle, PE

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
Christopher F. Thompson, PE

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