3 Dustin Moskovitz
“Having genius and ambition alone isn’t going to get you there. It’s really important to be lucky,” Moskovitz told Kirkpatrick. “But Mark had all three in spades, including luck.” What Moskovitz had was a Herculean work ethic and a willingness to learn. “He was just a workaholic and a machine,” Zuckerberg said of his cofounder. Moskovitz left Facebook in 2008 to build Asana, a project management app that he hopes will one day replace email.
