A securities lawyer, Brad Gerstner graduated from HBS in 2000 and joined General Catalyst. He left GC and became co-CEO of NLG, an early online travel start-up purchased in part by IAC.He co-founded Openlist.com, a local search start up that was self-funded and sold to Marchex (Nasdaq: MCHX);He was a partner at PAR Capital, a multi-billion hedge fund in Boston before launching his own fund - Altimeter Capital - on November 1, 2008.He is on the board of Orbitz, (Nasdaq: OWW) and is an angel investor in private deals including Farecast (sold to Microsoft), Zillow, Real Self, Nor 1, and Silver Rail Technologies. He is also incubating a new start up in the hotel search space called Room 77.