By Douglas Messier
Parabolic Arc Managing Editor
Elon Musk has made his first appearance on the Forbes list of the world’s billionaires. The 40-year-old entrepreneur has landed at 634 on the list with an estimated net worth of $2 billion.
Musk has developed the Falcon 9 rocket and Dragon vehicle to send cargo and crew to the International Space Station. His company, SpaceX, has received money under NASA’s COTS (for cargo) and CCDev (crew) programs. He is also reported to have invested up to $100 million of his own funds into SpaceX.
In addition to his involvement with SpaceX, Musk is a trustee of the X PRIZE Foundation, whose space competitions include the Ansari X Prize, the Google Lunar X Prize and the Northrup Grumman Lunar Lander Challenge.
The South African-born entrepreneur also runs two other companies, the electric car producer Tesla Motors and SolarCity, which provides solar energy systems.
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