who is secretary of state tillerson
Rex Tillerson, Exxon C.E.O., Chosen as Secretary of State. Rex W. Tillerson, the chief executive of Exxon Mobil, at a shareholders meeting in Dallas in 2014. WASHINGTON â President-elect Donald J. Trump on Tuesday officially selected Rex W. Tillerson, the chief executive of Exxon Mobil, to be his secretary of state.