Since 2000, David has been a partner at U.S. Venture Partners, a Silicon Valley-based venture capital firm. He co-founded and, between 1992 and 1999, served as president and CEO of Interval Research Corporation, a Silicon Valley-based laboratory and incubator for new businesses focusing on broadband, consumer devices, interaction design and advanced technologies. Previously, he co-founded Metaphor Computer Systems, Inc. and served as its president and CEO until 1991. David has held executive positions at Xerox Corporation and IBM and serves on the board of directors of Inphi Corporation and The New York Times Company.