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Mark Sonnenfeld

Senior Geoscience Advisor for Cimarex Energy Co., and a leader in maintaining and advancing applied geoscience technology.

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William 'Bill' Marshall - The Marshall and Winston Partnership Expanded into an Independent Oil and Gas Exploration and Production Company
Dietrich Welte: Geologist and Chemist, Leader in Organic Geochemistry, and Father of Modern Petroleum System and Basin Modeling, Part 1