Facebook Co-founder Dustin Moskovitz's software company Asana said on Tuesday it raised $75 million in a financing round led by Former US Vice President Al Gore's Generation Investment Management. Other investors include 8VC, Peter Thiel's Founders Fund, and Y Combinator President Sam Altman. Moskovitz, who was one of Mark Zuckerberg's roommates at Harvard, left Facebook in 2008 to start Asana.