Stephen M. Testa, P.G., is currently serving as Executive Officer of the California State Mining and Geology Board since August, 2005. From 1976 until August 2005, he served as a consultant in engineering geology and environmental projects for a variety of international firms including Bechtel, and Dames and Moore, and as CEO for Applied Environmental Services and Testa Environmental Corporation. A member of the GSA (Fellow), AIPG, AEEG and Society of Economic Geologists (Fellow), among others, Testa is the author of over 125 publications and several books including:
- One Man’s Planet: Earth in Today’s Political Culture, Geological Aspects of Hazardous Waste Management, and
- The Reuse and Recycling of Contaminated Soils, and Restoration of Contaminated Aquifers: Petroleum Hydrocarbons and Organic Compounds, and Petroleum in the Environment.
He has served as an Instructor at University of Southern California and at California State University at Fullerton.
Testa is a Past-President of the American Geological Institute (AGI), the AIPG and the Los Angeles Basin Geological Society. Testa is past Editor-in-Chief of DEG’s Journal of Environmental Geosciences, and was the recipient of the AIPG's Martin Van Couvering Award and Honorary Membership, AAPG-DEG's Research Award, and the Roy Shlemon Geology Mentor Honorarium for excellence in application of applied earth science. He has served as Chair, AAPG Committee on the History of Petroleum Geology. Testa is a Registered Geologist and Certified Engineering Geologist in California, among other states. He received his Bachelor’s degree (1976) in geology and Master’s degree (1978) in geology from California State University, Northridge.