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Contacts

Caryn Ashbay, GISP

Senior GIS Specialist

Email: [email protected]

Phone: 616.464.3930

Location: Grand Rapids, Michigan

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Kelly Wessels, PE

Senior Construction Engineer

Email: [email protected]

Phone: 513.477.3073

Location: Cincinnati, Ohio

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Jess Watterson

Senior Environmental Scientist

Email: [email protected]

Phone: 734.888.2894

Location: Farmington Hills, Michigan

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Greg Tkacz, PE, LEED AP BD+C

Senior Executive of Mechanical

Email: [email protected]

Phone: 513.247.8563

Location: Cincinnati, Ohio

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Alisa Lindsay

Senior Environmental Engineer

Email: [email protected]

Phone: 269.544.6963

Location: Kalamazoo, Michigan

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Wes Butch

Senior Project Manager

Email: [email protected]

Phone: 517.887.4007

Location: Grand Rapids, Michigan

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Maria Sedki, PE

Vice President/Senior Civil Engineer

Email: [email protected]

Phone: 248.324.1228

Location: Farmington Hills, Michigan

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Deann Falkowski

Vice President/Senior Civil Engineer

Email: [email protected]

Phone: 517.887.4009

Location: Lansing, Michigan

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Chris Sikkema, PE

Vice President/Senior Transportation Engineer

Email: [email protected]

Phone: 616.464.3936

Location: Canton, MichiganGrand Rapids, Michigan

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Kerri Miller, PE, LEED AP

Corporate Executive

Email: [email protected]

Phone: 616.464.3933

Location: Grand Rapids, Michigan

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Al Aspacher, PE

Vice President/Senior Project Manager

Email: [email protected]

Phone: 513.247.8576

Location: Cincinnati, Ohio

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Dandi Prasad, PE

Department Director - Transportation Indiana

Email: [email protected]

Phone: 317.939.6641

Location: Indianapolis, Indiana

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