John is a geologist for the California EPA (DTSC) in Berkeley. He has conducted geology and environmental projects throughout the western US from Colorado to Alaska to Midway Island and throughout California. He received his Master’s degree from Western Washington University and his doctorate from the Colorado School of Mines. In addition, he enjoys teaching at Diablo Valley College and has lead field trips in the SF Bay region as well as to Big Sur and the Eastern Sierra for UC Berkeley Extension. Doris Sloan and John collaborated on the “Geology of the San Francisco Bay Region.” John is an avid hiker, mountain biker, and backpacker who enjoys photography.



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