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Photo of creek


Meet the Staff

David C. Hamren, P.G.

President and Founder

Professional Geologist - License # 6565
Texas Licensed Asbestos Management/Planner TDH # 205106
Texas Licensed Asbestos Inspector TDH # 205106

Professional Societies
American Association of Petroleum Geologists (A.A.P.G.)
A.A.P.G. Division of Environmental Geology and Division of Economic Mineral
American Geological Institute
Houston Geological Society
Society of Wetland Scientists


Vice President, Environmental Services

Texas A & M University - Bachelor of Science, Geology  

License and Certifications
Professional Geologist - License # 4492
LPST Project Manager (CAPM) - License #PM0000128

Specialized Training
40 CFR 763,Subpart E Appendix C and TSCA Title II Asbestos Inspector Course
U.S. Department of Transportation 49 CFR HM 126F, HAZMAT Certification
OSHA 40-Hour HAZWOPER Certification per 29 CFR 1910.120
OSHA 8-Hour HAZWOPER Refresher Course per 29 CFR 1910.120
TNRCC TRRP (Texas Risk Reduction Program) Training Program


Project Manager

Indiana University of Pennsylvania- Bachelor of Arts, Criminology (1995)
University of Houston Clear Lake- Post Baccalaureate Studies, Geology, Envir. Mgmt (2000-2001)

Wetland Delineation Training- Wetland Training Institute (1999)
Trimble Certified GPS Training- Global Positioning Solutions (2000)
Trimble Certified GPS Training, Advanced - GeoPlane Services (2001) ESRI Certified GIS Training- Landworks Inc. (2003)