A rollcall of officials who have been fired or have left since Donald Trump took office as US president on January 20, 2017.
2018
March 13 - US Secretary of State Rex Tillerson is fired by President Donald Trump after a series of public rifts over policy on North Korea, Russia and Iran.
March 6 - Gary Cohn resigns as chief economic adviser. He clashed with Trump over trade policy.
February 28 - Hope Hicks - the White House communications director, one of Trump's longest-serving and most trusted aides. She was the fourth person to hold the post since Trump became president.
Rob Porter - the White House staff secretary, a senior adviser in charge of much of the documentation that went to Donald Trump for his signature, resigned in early February following accusations of domestic abuse from two former wives.
2017
Richard Cordray - the Consumer Financial Protection Bureau's first director resigned in November.
Tom Price - resigned as health and human services secretary in September under pressure from Trump in an uproar over Price's use of costly private charter planes for government business.
Stephen Bannon - Trump's chief strategist, who had been a driving force behind the president's anti-globalisation and pro-nationalist agenda that helped propel him to election victory, was fired by Trump in mid-August.
Reince Priebus - the former chairman of the Republican National Committee was replaced by John Kelly as Trump's chief of staff in July.
Anthony Scaramucci - the White House communications director was fired by Trump in July after just 10 days on the job after profanity-laced comments to The New Yorker magazine were published.
Walter Shaub - the head of the US Office of Government Ethics, who clashed with Trump and his administration, stepped down in July before his five-year term was to end.
Michael Short - senior White House assistant press secretary, resigned in July.
Sean Spicer - resigned as White House press secretary in July, ending a turbulent tenure after Trump named Scaramucci as White House communications director.
James Comey - the Federal Bureau of Investigation director, who was leading a probe into possible collusion between the Trump 2016 presidential campaign and Russia to influence the election outcome, was fired by Trump in May.
James Donovan - a Goldman Sachs banker who was nominated by Trump as deputy Treasury secretary, withdrew his name in May.
Michael Dubke - founder of Crossroads Media, resigned as White House communications director in May.
Mark Green - Trump's nominee for Army secretary withdrew his name from consideration in May.
Todd Ricketts - a co-owner of the Chicago Cubs baseball team and Trump's choice for deputy secretary of commerce, withdrew from consideration in April.
Philip Bilden - a private equity executive and former military intelligence officer picked by Trump for secretary of the Navy, withdrew from consideration in February because of government conflict-of-interest rules.
Michael Flynn - resigned in February as Trump's national security adviser after disclosures that he had discussed US sanctions on Russia with the Russian ambassador to the United States before Trump took office and had misled Vice President Mike Pence about the conversations.
Gerrit Lansing - White House chief digital officer, stepped down in February after failing to pass an FBI background check, according to Politico.
Robin Townley - an aide to Flynn, was rejected in February after he was denied security clearance to serve on the US National Security Council, according to Politico.
Vincent Viola - an Army veteran and a former chairman of the New York Mercantile Exchange, nominated by Trump to be secretary of the Army, withdrew his name from consideration in February.
Caroline Wiles - Trump's director of scheduling, resigned in February after failing a background check, according to Politico.
Sally Yates - acting US attorney general, was fired by Trump in January after she ordered Justice Department lawyers not to enforce Trump's immigration ban.
