Elon Musk’s EV company is struggling as he plunges into politics. Robyn Denholm, the Australian chair of Tesla, is thriving after cashing in half a billion dollars of the stock. Investors are clamoring for her to rein in the world’s richest man – but some question whether she has the independence to do so.

Elon Musk’s most valuable asset as Tesla’s stock continues to tumble. The shift marks the first time in five years the rocket company has meant more to Musk’s pockets than his automotive company. Forbes estimates that the Department of Government Efficiency chief’s 42 percent slice of SpaceX is worth $147 billion—almost $20 billion more than his Tesla shares.