Mark A. Nelson is the executive vice president of Downstream & Chemicals, a position he has held since 2019. He is responsible for directing the company’s worldwide manufacturing, marketing, lubricants, chemicals and Oronite additives businesses. He also oversees Chevron’s joint-venture Chevron Phillips Chemical Company. Previously, Nelson was vice president, Midstream, Strategy & Policy, where he was responsible for the company’s shipping, pipeline, power and energy management and supply and trading operating units. He was also overseeing corporate strategic planning and policy, government and public affairs. Prior to this position, Nelson served as vice president of Strategic Planning for Chevron. Other positions include president of International Products, where he was responsible for the refining and marketing businesses in Europe, Africa, the Middle East and Asia; president of Chevron Canada Limited, where he managed oil and gas exploration, production and marketing of crude oil, natural gas and natural gas liquids in Canada. Nelson has also previously served on several advisory boards and councils, including Singapore’s Economic Development Board and the Canadian Council of Chief Executives. Nelson joined Chevron U.S.A. Inc. in 1985 as an engineer based in San Ramon, California. A native of Ventura, California, Nelson graduated from California Polytechnic State University, where he earned a bachelor’s degree in civil engineering.
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Asia Center
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Center for Financial Markets
Conducts research and constructs programs designed to facilitate smooth and efficient operation of financial markets
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Center for the Future of Aging
Advances healthy longevity and financial security for all through high-impact policies, research, convenings, and multisector partnerships.
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Center for Public Health
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Center for Regional Economics and California Center
Analyzes the dynamics that drive job creation and promote industry expansion
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Center for Strategic Philanthropy
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FasterCures
Clears roadblocks that prevent medical breakthroughs from reaching patients sooner
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Financial Innovations Labs
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Global Market Development
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Milken Center for Advancing the American Dream
Anyone with a dream should have the opportunity to make it come true—through determination and an economic system that works for all
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Research Department
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