David Liddle is a partner at U.S. Venture Partners and is also a consulting professor of Computer Science at Stanford University.

He served as president and CEO of Interval Research Corporation until 1999, which he co-founded in 1992 with Paul Allen, co-founder of Microsoft.

Prior that, he founded Metaphor Computer Systems in 1982 and served as its president and CEO. The company was acquired by IBM in 1991, and David was named Vice President, New Systems Business Development, IBM Personal Systems.

From 1972 to 1982, he held various R&D and management positions at Xerox Corporation and at its Palo Alto Research Center, a hotbed of computer innovation in the 1970s. While there, he was Vice President and General Manager, Office Systems Division.

David has served as a director at a number of private and public companies, including Sybase, Broderbund Software, Borland International, Starwave, Ticketmaster Group, and the New York Times Company.

He earned a B.S. in Electrical Engineering at the University of Michigan in and a Ph.D. in Computer Science at the University of Toledo.