634,129  shares

Another insider, Jeffrey Brian Straubel — known to the world as J.B. — is considered a co-founder of Tesla. He is the Chief Technology Officer, putting his Stanford University engineering master's degree to good use managing the development and engineering of the company's products.

Before joining the automaker, he co-founded and was CTO of Volcom, a company involved in the development of a high-altitude electric aircraft. He had also built a number of electric vehicles, including a 1984 Porsche 944 with which he set a drag racing world record in its NEDRA class.