Mark Mahaney covers the Internet sector at Citigroup Investment Research. In 2006, Mark was No. 2 in the Greenwich Institutional Investor Poll for the Internet sector and runner-up in the Institutional Investor Poll. Before Citigroup, Mark covered Internet stocks for seven years on the sell side and the buy side at American Technology Research, Morgan Stanley and Galleon Capital. Mark holds an MBA from Wharton Business School, an MA from Johns Hopkins' School of Advanced International Studies, and a BA from Amherst College. Mark also has worked in consulting with Braxton Associates and with the U.S. government.