Jack Williams

Senior Vice President ExxonMobil

Last Reviewed: October 1, 2026

Executive Summary

Jack Williams has been a Senior Vice President of ExxonMobil and a member of its Management Committee since June 2014. An upstream engineer, he joined Exxon in 1987 as a drilling engineer in New Orleans and spent his career in exploration and production, including running XTO Energy, the U.S. onshore producer, for three years after ExxonMobil acquired it in 2010. ExxonMobil ranked No. 9 on the 2026 Fortune 500.

Career Highlights

• Senior Vice President of ExxonMobil since 1 June 2014.
• Executive Vice President of ExxonMobil Production Company.
• President of XTO Energy, 2010 to 2013.
• Vice President of Engineering, ExxonMobil Production Company, 2007 to 2009.
• Joined Exxon in 1987 as a drilling engineer.

Professional Journey

Williams earned a Bachelor of Engineering at Vanderbilt University and joined Exxon in April 1987 as a drilling engineer in New Orleans. His early roles included operations management for Gulf Coast and offshore California properties, operations superintendent for East Texas fields, U.S. upstream planning, deputy production manager for South China Sea operations in Malaysia, and oversight of North Slope and Cook Inlet interests in Alaska.

He was an upstream advisor from 2005 to 2007 and vice president of engineering for ExxonMobil Production Company from 2007 to 2009, then vice president overseeing Asia projects at ExxonMobil Development Company. From 2010 to 2013 he was president of XTO Energy, which ExxonMobil acquired in 2010, and he later served as executive vice president of ExxonMobil Production Company.

He was elected Senior Vice President of Exxon Mobil Corporation in 2014. He is a member of the Society of Petroleum Engineers and of the Board of Visitors of Vanderbilt’s School of Engineering.

Education

Vanderbilt University

Bachelor of Engineering