September 2017
GEI Consultants

Chia Tan has more than 35 years of geotechnical and geostructural engineering experiences on hundreds of projects in many parts of the United States and in ten other countries worldwide, including China, Korea, Taiwan, Singapore, Saipan, Malaysia, and Indonesia.

September 2016
CTL/Thompson, Inc

Robert W, Thompson P.E., D.GE, F ASCE, Senior Consultant, CTL/Thompson Inc., Denver Colorado.  Graduate of Oklahoma State University, BSCE 1962, MSCE 1965.  Currently work only on special assignments for CTL/T and coach younger engineers regarding technical issues.  Practice primarily in partially saturated soils.  Many technical papers and presentations on expansive and collapsing soils.  Considerable effort in analysis and solution of slope problems and retained excavations.

January 2017
Terracon

Steve is currently a principal with Terracon, manager of its New Jersey office, and responsible for overseeing the geotechnical quality program in its northeast division.  He has 34 years of geotechnical engineering consulting experience that has included most areas of geotechnical practice, with special focus in the areas of deep foundations, soft ground construction, slope stability, ground improvement and seismic evaluation.

January 2018
Matrix Engineering Group, Inc.

Amin is a principal and co-founder of Matrix Engineering Group, an award-winning consultancy group specializing in geotechnical engineering, environmental engineering, construction materials testing, special inspections and geophysical surveys. He is a registered Professional Engineer, a certified Project Management Professional, and a GSWCC Level II Design Professional. Mr.

July 2017
Rummel, Klepper & Kahl, LLP

Jennfier L. Trimble, PE, D.GE is a Geotechnical Manager at Rummel, Klepper & Kahl,LLP (RK&K), a multi discipline civil engineering firm based in Baltimore, Maryland.  She received both her Bachelor of Science and Masters of Science degrees in Civil Engineering from West Virginia University.  She is a registered professional civil engineer in five states and the District of Columbia.

July 2018
Ulrich Engineers, Inc.

Ed Ulrich’s career began in 1967, when he worked as a part-time field engineer in
Atlanta, GA, helping with foundation projects to pay future wedding bills. In 1969,
he graduated from Georgia Tech with a bachelor’s degree in civil engineering and
concentrations in George Sowers Foundations, structures, and surveying. After one
year as a construction engineer, he entered the University of Illinois at Urbana-
Champaign to study rock engineering, foundation engineering, engineering

August 2014
Engineering Partners International LLC

I am a Principal in Engineering Partners International’s Eagan, Minnesota office.  Engineering Partners is a specialty structural/geotechnical consulting engineering firm practicing in the areas of earth retention, foundation underpinning, and specialty deep foundation design. 

North Carolina State University

Harvey E. Wahls is Professor Emeritus of Civil Engineering at North Carolina State University. Prior to his retirement in 1997, he served on the faculty at NC State for 37 years, rising from Assistant Professor to Professor, Associate Head and Director of Graduate Programs in civil engineering.

January 2015
Soil Doctor

B.S.C.E. – SMU (1971), M.S.M.A.S. – UTD (1979), PhD C.E.

March 2014
Densification, Inc.

After many years on the consulting side of the geotechnical industry, I joined Joe Drumheller and Densification, Inc. in the role of Chief Engineer in 2012, and was recently promoted to Vice-President.  Densification, Inc.

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