Musk’s management style has always been a lightning rod. His focus on speed and impatience allows him to advance technologies at a breakneck pace.

Elon Musk thinks Tesla could be worth more than the next five most valuable companies combined one day, thanks to autonomous driving and robotics. However, Tesla stock plunged 47% from its record high,

Tesla CEO and billionaire entrepreneur Elon Musk has a long history of making ambitious promises and often delivering late. Many of his biggest ideas are still in the works.