Max Levchin came to the US at age 16 and has founded over a dozen companies in his lifetime ranging from Slide, a personal media-sharing service, to Glow, a women's reproductive health tech company. He is currently founder and CEO of fintech lending startup Affirm on its way to an IPO that could value the company at $9 billion. Levchin owns 27.5 million shares worth just over $1 billion at the top end of the company's planned IPO price range. Although Affirm's IPO will likely make Levchin into a billionaire, he has been one of Silicon Valley's most successful tech founders for decades. Here's a look at his life and storied career.