From 2009 to 2011 he was the Chief Executive Officer of The Huffington Post, a news website. From 2000 to 2009, he was a Managing Partner of Softbank Capital, a technology venture capital firm. Hippeau served as Chairman and Chief Executive Officer of Ziff-Davis Inc., an integrated media and marketing company, from 1993 to March 2000 and held various other positions with Ziff-Davis from 1989 to 1993. In the past 5 years, Hippeau served as a director of the Huffington Post and Yahoo! Inc.