As Mr. Musk steps away from Washington, he faces concerns over his prolonged absence from his businesses including Tesla, ...

9. You're almost allergic to inefficiency, boring work and wasting time. Elon Musk is said to be an INTJ entrepreneur/AP Either the work is meaningful or it makes no sense to you. 10. Urgh.

At a celebratory rally after Trump’s inauguration, Musk’s White House career got off to a contentious start when he seemingly ...