Citadel CEO Ken Griffin, a billionaire supporter of President Donald Trump and a megadonor to Republican candidates, had some unusually harsh words for the president about his trade war: It’s hurting America’s standing in the world and eroding the nation’s brand.

Citadel CEO Ken Griffin has issued a stark warning about the long-term consequences of Donald Trump's trade policies, arguing that the president's reciprocal tariff blitz is eroding the United States' global reputation and financial credibility.

CEO Citadel Ken Griffin, a former GOP megadonor, said it may take a "lifetime to repair" the damage done by Trump's trade wars.