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Koehler Appointed Senior Associate

TULSA, Okla. — Terracon is pleased to announce the promotion of 10 employees to senior associate. Terracon’s senior associate program recognizes and rewards key employees who demonstrate consistent high performance and have strong potential for continued professional growth and career advancement. Terracon is one of the nation’s largest employee-owned engineering consulting firms with headquarters in Olathe, Kan.

Conrad S. Koehler, P.E., is the geotechnical department manager in Terracon’s Tulsa office. Koehler has been with Terracon since 2000 and his experience includes geotechnical engineering analyses and design for shallow and deep foundations, retaining structures, slopes, pavements, earthwork construction and chemically-treated soils. He has a master’s degree in civil engineering from Oklahoma State University and a bachelor’s degree in civil engineering from the United States Air Force Academy.

Additionally, the other new senior associates and their office locations are as follows:

William V. Beckwith, EI, Lexington

Vanessa L. Chambers, LEED AP, Dallas

Scott D. Graf, P.G., Tampa

Paul S. Howard, CPM, Corporate

Edward W. James, P.G., Houston

Brian R. Porter, P.E., St. Louis

E. Lynn Price, J.D., Corporate

Matthew C. Rudolph, CHMM, Louisville

Gregory G. Souder, P.E., Colorado Springs

Terracon is an employee-owned engineering consulting firm with more than 2,700 employees providing geotechnical, environmental, construction materials and facilities services from more than 130 offices in 39 states nationwide. Terracon currently ranks 38th on Engineering News-Record’s List of Top 500 Design Firms. For additional information about Terracon, please visit