Susan Buchanan

Vice President and Chief Accounting Officer ExxonMobil

Last Reviewed: October 1, 2026

Executive Summary

Susan Buchanan became ExxonMobil’s Vice President and Chief Accounting Officer on 1 July 2026, the same day the company completed its redomiciliation to Texas. As principal accounting officer she also serves as Controller, succeeding the retiring Len Fox. She came to the role from the business side: she had led ExxonMobil Global Business Solutions since February 2026 and before that ran strategy and business development for ExxonMobil Upstream, after starting in the company’s treasury and controllers functions. ExxonMobil ranked No. 9 on the 2026 Fortune 500.

Career Highlights

• Vice President and Chief Accounting Officer (Controller) of ExxonMobil since 1 July 2026.
• President, ExxonMobil Global Business Solutions, February to June 2026.
• Vice President, Strategy and Business Development, ExxonMobil Upstream, October 2023 to February 2026.
• General Manager, U.S. Conventional Upstream Business, 2022 to 2023.

Professional Journey

Buchanan held a variety of positions in ExxonMobil’s Treasurers and Controllers functions, and from April 2021 was Manager of Upstream Strategy. She became General Manager of the U.S. Conventional Upstream Business in November 2022 and Vice President of Strategy and Business Development for ExxonMobil Upstream in October 2023.

In February 2026 she was named President of ExxonMobil Global Business Solutions. In April 2026 ExxonMobil elected her Vice President and Chief Accounting Officer, effective 1 July 2026, when she became the company’s principal accounting officer and Controller.

Education

No first-party source read for this profile states her education.