Founder and CEO of Dropbox who grew his service from humble origins to an invaluable sharing tool.
He was a member of the Phi Delta Theta fraternity at MIT.
His popular file-sharing tool hit 100 million users in late 2012.
He was born in Beaverton, Oregon. He previously dated CeCe Cheng, a Princeton alum in charge of PR for the internet startup Qwiki.
He and Jimmy Iovine were both named on the Forbes 400: Ones to Watch list in 2011.