Board Members

Photo of Bereket M Derie, Ph.D., P.G.
Professional Geoscientist
Work P O Box 13225 Austin TX 78711 Work Phone: (512) 936-4400

Biographical Info

Bereket M. Derie, Ph.D., P.G., of Round Rock is a licensed Professional Geoscientist and Chief Executive Officer with Round Rock Geophysics. Prior to that, he was the Geophysics Department Manager at Renewable Resource Consultants. He is a member of the Society of Exploration Geophysicists, Engineering and Environmental Geophysicists Society and Austin Geological Society. Dr. Derie received a Bachelor of Science in physics and a Masters of Science in geophysics from Addis Ababa University in Ethiopia and a Doctor of Philosophy in geophysics from Loughborough University, UK. His term is set to expire on February 1, 2021.

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Photo of Margon Dillard
Public Representative
Work P O Box 13225 Austin TX 78711 Work Phone: (512) 936-4400

Biographical Info

Margon Dillard of Richmond is a territory manager for Kedrion Biopharma. She is an advisory board member of the Texas Society of Health System Pharmacists, Wells Pharma, and American Health Packaging. She is a member of the National Pharmacy Purchasing Association and the Pharmacy Technician Certification Board. Dillard attended Texas Southern University studying Biology and obtained a certification in Pharmacy Technology from the HCC Coleman College of Science.  Her term is set to expire on Feb. 1, 2025.

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Photo of Steven Fleming, P.G.
Secretary/Treasurer, Professional Geoscientist
Work P O Box 13225 Austin TX 78711 Work Phone: (512) 936-4400

Biographical Info

Steven Fleming, P.G., of San Antonio is a licensed Professional Geoscientist in Texas and a member of the Permian Basin Petroleum Association, New Mexico Oil and Gas Association and Society of Texas Environmental Professionals. Previously he worked as the Environmental Supervisor for Apache Corporations’ North American Unconventional Resources region. Fleming received a Bachelor of Science in biology from Sul Ross State University and a Master’s of Science in limnology from Baylor University. His term is set to expire on February 1, 2021.

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Photo of Edward F. Janak, Jr., P.G.
Professional Geoscientist
Work P O Box 13225 Austin TX 78711 Work Phone: (512) 936-4400

Biographical Info

Edward F. Janak, Jr., P.G., of Fredericksburg is a Soil Scientist doing business as Edward F. Janak, Jr., CPSS. He is a past president of Professional Soil Scientists Association of Texas, and previously served on the national executive council of the American Society for Mining and Reclamation. Currently, he is the technical editor of the Soils of Mississippi Project for the Professional Soil Classifiers Association of Mississippi and a member of both the Texas Association of Professional Geoscientists and the Soil Society of America. He volunteers with 4H and Future Farmers of America. Janak received a Bachelor of Science in agronomy from Texas A&M University. His term is set to expire on February 1, 2025.

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Photo of Becky L. Johnson, P.G.
Chair, Professional Geoscientist
Work P O Box 13225 Austin TX 78711 Work Phone: (512) 936-4400

Biographical Info

Becky Johnson, P.G., of Fort Worth is a board certified Professional Geoscientist and Geologist, an Environmental Science Professor at Texas Christian University, and Consultant/Trainer with more than 26 years of experience.  She is a founding member of the  Society of Texas Environmental Professionals Sustainability Chapter, and a volunteer with the Texas Commission on Environmental Quality EnviroMentor Program.  She served for the last 10 years as past president/officer of Society of Texas Environmental Professionals.   Johnson received a bachelor’s degree in geology from the University of Texas at Arlington and a master’s degree in environmental science and hydrogeology from Texas Christian University. Her term is set to expire on February 1, 2023.

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Photo of Mark N. Varhaug, P.G., C.P.G.
Professional Geoscientist
Work P O Box 13225 Austin TX 78711 Work Phone: (512) 936-4400

Biographical Info

Mark N. Varhaug, P.G., C.P.G., of Dallas is vice president and senior geologist at DeGolyer and MacNaughton, with over forty years of experience in the practice of geology. He is a life member of the Society of Petroleum Engineers and a member of the American Association of Petroleum Geologists, Geological Society of America, and the Geological Societies of Dallas, Houston, and West Texas.  Varhaug received a Bachelor of Science from Southern Methodist University.  His term is set to expire on February 1, 2023.

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Photo of W David Prescott II, P.G.
Vice-Chair, Professional Geoscientist
Work P O Box 13225 Austin TX 78711 Work Phone: (512) 936-4400

Biographical Info

W. David Prescott II, P.G., of Amarillo is president of Talon/LPE LTD. He is a member of the Texas Association of Professional Geoscientists and Texas Food and Fuel Association, and a Board Member of the Amarillo Tri State Exposition, Boy Scouts of America Golden Spread Council and West Texas A&M University Engineering and Enterprise Center Advisory Boards. He is a past Board Member of the Amarillo Chamber of Commerce, Don Harrington Discovery Center, and Texas Panhandle Chapter of the American Red Cross and West Texas A&M University Alumni Association. Prescott received a Bachelor’s Degree in Environmental Science and a Master of Business Administration from West Texas A&M University. His term is set to expire on February 1, 2025.

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Photo of Brandon Stowers
Public Representative
Work P O Box 13225 Austin TX 78711 Work Phone: (512) 936-4400

Biographical Info

Brandon Stowers of Austin is a Business Analyst with Emerson Automation Solutions, specializing as a Product Owner for the Digital Lifecycle Services team. Stowers received his Bachelors in Corporate Communications from Baylor University. His term is set to expire February 1, 2023.

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Photo of Board Position Vacant
Public Representative
Work P O Box 13225 Austin TX 78711 Work Phone: (512) 936-4400
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