Thank you to Rex Tillerson for his service!
Mr Trump publicly undercut Mr Tillerson's diplomatic initiatives numerous times, including on Monday when the former secretary of state's comments about Russian Federation appeared to be at odds with those of the White House.
Tillerson is also deeply unpopular within the State Department for his imperious management style and disregard for the traditions of diplomacy, which has led to a steady level of attrition throughout his tenure.
Pompeo is to be replaced at Central Intelligence Agency by Gina Haspel, Pompeo's deputy at Central Intelligence Agency.
US President Donald Trump removed Rex Tillerson as secretary of state and replaced him with CIA Director Mike Pompeo.
Gina Haspel, the deputy director of the CIA, will replace Pompeo if confirmed by the Senate, becoming the first female director of that agency.
The president - who has long clashed will Mr Tillerson, who he believes is "too establishment" in his thinking - felt it was important to make the change now, as he prepares for talks with North Korean leader Kim Jong Un, as well as upcoming trade negotiations, three White House officials said.
The official spoke on condition of anonymity because they were not authorised to speak publicly.
Rex Tillerson is out as secretary of state.
Tillerson had just returned from a shortened trip to Africa hours before Trump's announcement.
- Like Trump, Pompeo is an outspoken critic of Iran and has called for scrapping the 2015 deal curbing Tehran's nuclear program in exchange for sanctions relief.
Tillerson was slated to retire from Exxon in March 2017 at age 65 under the company's mandatory retirement policy.