Dan Larson

Chairman/CEO

David Rettner

Principal Engineer (very part-time)

Robert Elliott

COO

Marsha Hadd

Controller

Gerard Moulzolf

Vice President

Tom Venema

VP, Construction Services

Greg Reuter

VP, Geotechnical Manager

Rob Flickinger

Senior Engineer/project Manager

Robert Anderson

Senior Assistant Engineer

Andrew Schmid

Principal Engineer

Chunhua Han

Principal Engineer

Dennis McComas

Senior Geologist/due Diligence Manager

Megan Hoppe

Senior Geotechnical Engineer

Dee Powers

Chief People Officer

Anne Soenneker

Senior Human Resources Business Partner

Chelsea Schultz

IT Support Manager

Sean Kelley

Senior System Administrator

Brian Arman

Vice President Operations

Robert Olson

Area Manager

Chris Allen

Senior Business Analyst

Dan Kriesel

Business System Analyst

Koen Okhuijzen

System Support Specialist

Brian Zwart

IT Manager