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Contacts

Caryn Ashbay, GISP

Senior GIS Specialist

Email: [email protected]

Phone: 616.464.3930

Location: Grand Rapids, Michigan

Associations

  • Improving Michigan's Access to Geographic Information Networks - Member
  • Michigan Communities and Association of Mapping Professionals - Member

Accreditations

  • GIS Certification Institute - Geographic Information Systems Professional

Robb Welch, PE

Vice President/Senior Civil Engineer

Email: [email protected]

Phone: 517.887.4027

Location: Lansing, Michigan

Associations

  • National Society of Professional Engineers -

Accreditations

  • Professional Engineer - MI
  • MDOT Certified Project Engineer -
  • EGLE Stormwater Management Operator -

Dandi Prasad, PE

Senior Vice President

Email: [email protected]

Phone: 317.939.6641

Location: Indianapolis, Indiana

Accreditations

  • Professional Engineer - IN

David Stegink

Vice President/Brownfield Program Manager

Email: [email protected]

Phone: 269.544.6977

Location: Kalamazoo, Michigan

Tom Gray, PE

Chief Executive Officer

Email: [email protected]

Phone: 248.324.2133

Location: Lansing, Michigan

Associations

  • American Society of Civil Engineers -

Accreditations

  • Professional Engineer - MI
  • EGLE SESC Plan Review and Design -
  • EGLE Stormwater Management Operator -

Mike Berrevoets, PE

Vice President/Civil Department Director

Email: [email protected]

Phone: 616.464.3927

Location: Grand Rapids, Michigan

Associations

  • American Society of Civil Engineers - Member

Accreditations

  • Professional Engineer - MI

Jeff Schumaker, PE

Chief Vision Officer

Email: [email protected]

Phone: 616.464.3841

Location: Grand Rapids, Michigan

Associations

  • American Institute of Steel Construction - Member
  • Construction Owners Association of America - Member
  • Structural Engineers Association of Michigan - Member
  • American Society of Civil Engineers - Member
  • International Concrete Repair Institute - Member
  • National Council of Examiners for Engineering and Surveying - Record Holder
  • American Council of Engineering Companies - Board Member

Accreditations

  • Professional Engineer - MI, OH, IN, FL, CT, NJ

Jon Carroll, PE

Vice President/Senior Bridge Engineer

Email: [email protected]

Phone: 513.247.8571

Location: Cincinnati, Ohio

Associations

  • National Council of Examiners for Engineering and Surveying - Record Holder
  • Association for Bridge Construction and Design/ Southwest Ohio Chapter - Board Member

Accreditations

  • Professional Engineer - IN, OH, SC, GA, FL, NC
  • NHI Safety Inspection of In-Service Bridges - Certification

Jason Vander Kodde, PE

Senior Civil Engineer

Email: [email protected]

Phone: 616.464.3938

Location: Grand Rapids, Michigan

Associations

  • International Council of Shopping Centers - Member
  • American Society of Civil Engineers/Michigan - Member
  • Calvin Engineering Advisory Council - Member, Past Chairman
  • Blendon Township Planning Commission, Ottawa County - Member, Secretary

Accreditations

  • Professional Engineer - MI

Lynn Spurr

Senior Environmental Specialist

Email: [email protected]

Phone: 269.544.6955

Location: Kalamazoo, Michigan

Associations

  • Air & Waste Management Association -
  • Asphalt Paving Association of Michigan -
  • Michigan Aggregates Association -
  • Michigan Chemical Council -
  • Michigan Manufacturers Association - Air Quality Subcommittee
  • West Michigan Sustainable Business Forum - Board Member
  • Kalamazoo County Chamber of Commerce - Public Policy Council, Chair
  • Kalamazoo Nature Center - Board Chair

Chris Sikkema, PE

Vice President/Senior Transportation Engineer

Email: [email protected]

Phone: 616.464.3936

Location: Grand Rapids, Michigan

Associations

  • American Society of Civil Engineers - Member
  • Institute of Transportation Engineers/Michigan - Member

Accreditations

  • Professional Engineer - MI, OH, IN

Kerri Miller, PE, LEED AP

Senior Vice President

Email: [email protected]

Phone: 616.464.3933

Location: Grand Rapids, Michigan

Associations

  • American Society of Civil Engineers - Member
  • Society of American Military Engineers - Member
  • Society for College and University Planning - Member
  • International Council of Shopping Centers - Member
  • US Green Building Council/West Michigan Chapter - Member

Accreditations

  • Professional Engineer - MI
  • LEED AP -

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