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Dr. Richard Ziernicki, P.E.

Richard M. Ziernicki, Ph.D., P.E.

President & CEO
Principal Mechanical Engineer

Ben T. Railsback, M.S., P.E.

Director of Mechanical Engineering

Stanley C. Stoll, M.Eng., P.E., CFEI, CVFI

Director of Structural Engineering

William H. Pierce, P.E.

Senior Engineer

Cade R. Caldwell, P.E.

Senior Engineer

Kyle T. Wieghaus, Ph.D., P.E.

Senior Engineer, Northern Colorado Office

Amy I. Patrick, M.S., P.E.

Forensic Engineer

Tony L. Crawfurd, P.E.

Senior Engineer

Ricky L. Nguyen, M.S.

Mechanical Engineer

Peter W. Korff, B.Sc.

Forensic Engineer

Sam Henning, B.Sc.

Structural Engineer

Anna L. Evans, B.Sc.

Mechanical Engineer

Wojciech Wach, Ph.D.

Senior Scientific Consultant


Angelos G. Leiloglou, M. Arch.

Regional Manager, Texas
Director of Visualization

Kurt Twigg, B.Sc., B.F.A.

Senior Forensic Animator


Mila Ziernicki, M.S.

Chief Financial Officer

Wafa Erickson

Vice President of Administration

Mike Lowe

Director of Business Development

Kelly Peppard

Executive Assistant, Mechanical Department

Karen Mellentine

Executive Assistant, Structural Department

Lori Tininn


Julie Cox

Front Desk Coordinator