Contact Our Managers

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Principals | Division Leads | Branch Managers | Administrative Managers

Principals

Mick Gronewold

Mick Gronewold, PE

Principal and Chief Executive Officer

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Joel Zirkle

Joel Zirkle, PG

Principal

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Noah Carmichael

Noah Carmichael, PE

Principal

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Matthew Johnson

Matthew Johnson, PE

Principal

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Nate Kass

Nate Kass, PE, PLS

Principal

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Jason Stoll

Jason Stoll, PE

Principal

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Seth Gronewold

Seth Gronewold, PE

Principal

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Todd Shankland

Todd Shankland, CPA

Chief Financial Officer

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Ryan Wicks

Ryan Wicks, PE

Principal

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Division Leads

Mick Gronewold

Mick Gronewold, PE

Engineering Division Lead

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Matt Schroeder

Matt Schroeder

Environmental Division Lead

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Branch Managers

Chris DeSilva

Chris DeSilva, PE

Aurora, Illinois

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Michael Hansen

Michael Hansen, PE

Champaign, Illinois
Marion, Illinois

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Derek Thompson

Derek Thompson, PE

Freeport, Illinois

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Jason Stoll

Jason Stoll, PE

Rochelle, Illinois

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Ross Grimes

Ross Grimes, PG

Rockford, Illinois

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Nate Kass

Nate Kass, PE, PLS

Cedar Rapids, Iowa

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Ryan Wicks

Ryan Wicks, PE

Manchester and West Union, Iowa

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Mick Gronewold

Mick Gronewold, PE

Monroe, Wisconsin (Interim)

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Matt Dahlem

Matt Dahlem, PG

Sheboygan, Wisconsin

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Administrative Managers

Todd Shankland

Todd Shankland, CPA

Principal and Chief Financial Officer

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Ramona Thompson

Ramona Thompson, SPHR, SHRM-SCP

Human Resources Manager

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Derek Noll

Derek Noll

IT Manager

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Anna Derocher

Anna Derocher, CPSM

Marketing Manager

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