About
Rex Tillerson is an American energy executive and former diplomat. He served as the 69th United States Secretary of State from 2017 to 2018 during Donald Trump's administration. Prior to his role in government, Tillerson was the chairman and chief executive officer (CEO) of ExxonMobil from 2006 to 2016. His extensive experience in the energy sector made him a prominent figure in both the business and political arenas.
Career Timeline
ExxonMobil CEO
Becomes CEO of ExxonMobil. Begins career at the top of the energy industry.
Retires from ExxonMobil
Retires from ExxonMobil. Successfully manages the company for a decade.
Secretary of State
Appointed as U.S. Secretary of State. Enters public service.
Leaves State Department
Departs from the State Department. Short but impactful political career.
Private Sector Activities
Returns to private sector activities. Remains influential.
Business and Investments
Maintains net worth through investments and business activities. Retains status as prominent figure.
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Last updated: February 23, 2026