Our Team

At Driesenga & Associates, there's never a stone left unturned. We're a close-knit team of professionals that champion collaboration and innovation.
​Each of our backgrounds offer unique specialties and insights, making for a truly well-rounded group of experts.

Jim Henning, P.E.

President, Director of Materials Testing

Dan Driesenga, P.E.

Founder, Chairman

Douglas A. Snyder

Vice President of Sales

John m. Tenpas, P.E.

Director of Civil Engineering

Randy Pail, P.E.

Director of Geotechnical Engineering

Alan E. Dahl, P.S.

Director of Surveying

Vince Murray

Accounting Manager

Adam Peterson

Materials Testing Manager

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WE DID THAT

Marc Lohela, P.S.

Survey Group Manager
Holland, MI

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dUSTIN ThORTON

Survey Group Manager
Kalamazoo, MI

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Bill Aamoth

Testing Group Manager
Grand Rapids, MI

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Jake Stocking

Testing Group Manager
Holland, MI

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Jesse Reed

Testing Group Manager
Kalamazoo, MI

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DEnnis Snyder

Testing Group Manager
Ypsilanti, MI

Tracy Hutchinson, P.E.

Senior Project Manager
Civil Engineering Group

Michael Stork

Project Manager
​Geotechnical Group