Just 8 days younger than his Facebook co-founder, Mark Zuckerberg, Dustin Moskovitz was Zuckerberg's Harvard roommate and Facebook's third employee. Serving as Facebook's first Chief Technology Officer and Vice President of Engineering, Moskovitz amassed a self-worth of over $2.7 billion. He left Facebook in 2008 to start his own company, Asana.(Link | Photo)
