Mark A. Nelson is 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.
With more than 35 years of experience, Nelson has served in a number of leadership positions with increasing responsibilities within the company in retail, marketing, operations and business planning.
Nelson has 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.
What is Mark A. Nelson's net worth?
The estimated net worth of Mark A. Nelson is at least $2.28 million as of March 2nd, 2026. Mr. Nelson owns 11,337 shares of Chevron stock worth more than $2,282,705 as of March 20th. This net worth evaluation does not reflect any other investments that Mr. Nelson may own. Learn More about Mark A. Nelson's net worth.
How do I contact Mark A. Nelson?
Has Mark A. Nelson been buying or selling shares of Chevron?
In the last ninety days, Mark A. Nelson has sold $34,210,618.00 of Chevron stock. Most recently, Mark A. Nelson sold 139,600 shares of the business's stock in a transaction on Monday, March 2nd. The shares were sold at an average price of $187.92, for a transaction totalling $26,233,632.00. Following the completion of the sale, the insider now directly owns 11,337 shares of the company's stock, valued at $2,130,449.04. Learn More on Mark A. Nelson's trading history.
Who are Chevron's active insiders?
Chevron's insider roster includes Wanda Austin (Director), Eimear Bonner (VP), Thomas Booth (Chief Technology and Engineering Officer), Pierre Breber (CFO), Alice Gast (Director), Joseph Geagea (EVP), Jeff Gustavson (VP), Jeff Gustavson (VP), Enrique Hernandez Jr. (Director), John Hess (Director), David Inchausti (Insider), James Johnson (EVP), Alana Knowles (VP), Rhonda Morris (VP), Mark Nelson (EVP), Colin Parfitt (VP), R. Pate (VP), Andrew Walz (President, Downstream, Midstream and Chemicals), Michael Wirth (Chairman of the Board & CEO), and Patricia Yarrington (CFO). Learn More on Chevron's active insiders.
Are insiders buying or selling shares of Chevron?
In the last year, insiders at the oil and gas company sold shares 26 times. They sold a total of 1,753,375 shares worth more than $297,651,698.32. The most recent insider tranaction occured on March, 6th when insider R. Hewitt Pate sold 47,200 shares worth more than $9,068,064.00. Insiders at Chevron own 0.2% of the company.
Learn More about insider trades at Chevron. Information on this page was last updated on 3/6/2026.
