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Merck CEO Kenneth Frazier is the latest to walk away.
It's no secret that this White House tends to hemorrhage staff.
But occupants of the West Wing aren't the only casualties of President Donald Trump's governing style.
While Trump has repeatedly billed himself as pro-business, his rhetoric and actions around immigration policy, the environment, and the deadly white-supremacist rally in Charlottesville, Virginia, have alienated several business leaders.
On Monday, Merck CEO Kenneth Frazier resigned from the president's manufacturing council in response to Trump's controversial initial response to the situation in Charlottesville.
Frazier was the only black member of the manufacturing council.
"As CEO of Merck, and as a matter of personal conscience, I feel a responsibility to take a stand against intolerance and extremism," he said in a statement, according to Business Insider's Jeremy Berke.
The president immediately took to Twitter to blast the CEO. The New York Times' Andrew Ross Sorkin reported that Trump's response cowed to at least one anonymous member of his advisor councils, who said, "Just look at what he did to Ken. I'm not sticking my head up."
But Frazier is by no means the only top business exec to have backed away from the White House.
Here are six additional business leaders who have publicly distanced themselves from the president: