Bill Gossman has served as a member of our board of directors since May 2016, as lead independent director since April 2022; as a member of our compensation committee since April 2022, and previously from May 2016 to February 2018; and as the chairperson of our information and technology security committee since January 2021. Mr. Gossman previously served as a member of our technology and security compliance committee from May 2016 to September 2019, as a member of our audit committee from February 2018 to April 2019, and as our acting chief financial officer from April 2001 to July 2001.
Bill has been a venture partner at Mohr Davidow Ventures since April 2009, when he rejoined the firm after serving from January 2001 to March 2003. In his capacity with Mohr Davidow, he has served as a board member or chief executive officer of several of its portfolio companies, including HealthTap since 2018, Marble Security, Inc. from May 2011 to July 2014 and AudienceScience, Inc. from 2003 to 2007, and again, at the company's request, from June 2016 until June 2017. Prior to Mohr Davidow, Bill founded and served as the chief operating officer and chief financial officer for @mobile, a wireless networking company, until its sale to Openwave in 2000. Prior to @mobile, Bill served as vice president, strategic planning and international marketing with AT&T Custom Electronic Systems, and in a variety of engineering and management positions with Northrop Corporation and Hughes Aircraft Company. He received a B.S. degree in engineering from Cornell University, a M.S. degree in engineering from the Massachusetts Institute of Technology and a M.B.A. from the University of Maryland.