
- Citadel CEO Ken Griffin spoke out at the UBS Financial Services conference in Key Biscayne, Fla., on Tuesday, thanking Elon Musk for his work with DOGE, but sounding his disdain for President Donald Trump’s tariffs plan.
Many members of Congress on both sides of the aisle have been anything but pleased with Elon Musk’s work leading the Department of Government Efficiency. But the Tesla CEO has the support of fellow billionaire Ken Griffin, founder and CEO of hedge fund Citadel.