Photo of Mark A. Nelson

Mark A. Nelson

Vice Chairman

Mark A. Nelson, 61, is vice chairman of Chevron Corporation. In addition to his corporate responsibilities, Nelson is executive vice president of Oil, Products & Gas, where he is responsible for the entire value chain, advancing a more integrated approach to capital allocation, asset class excellence and value chain optimization.

Nelson was recently executive vice president of Strategic Business Solutions, which included Business Development, Corporate Affairs, IT, Strategy and Sustainability, and Supply Chain Management. He was executive vice president, Downstream & Chemicals, a position he held from 2019–2022, with responsibilities for directing the company’s worldwide manufacturing, marketing, lubricants, chemicals and Oronite additives businesses. He also oversaw Chevron’s joint-venture Chevron Phillips Chemical Company.

Other positions include vice president, Midstream, Strategy & Policy where he was responsible for the company’s shipping, pipelin¬¬e, power and energy management, and supply and trading operating units, corporate strategic planning and policy, government and public affairs; vice president, Strategic Planning for Chevron; president, International Products; and president, Chevron Canada Limited.

With nearly 40 years of experience, Nelson has served in numerous leadership positions with increasing responsibilities. He has also served on several advisory boards and councils, including Singapore’s Economic Development Board and the Canadian Council of Chief Executives. He currently serves on the Thurgood Marshall College Fund Board of Directors.

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.

Updated: October 2024