Dave Wehner is chief financial officer of Facebook, where he leads the finance, facilities, and enterprise engineering teams. Prior to becoming CFO in June 2014, Wehner served as Facebook's vice president, corporate finance and business planning, since he joined the company in 2012. From 2010 through 2012, Wehner served as chief financial officer of Zynga. Before Zynga, He was a managing director at Allen & Company, an investment bank focused on media and technology, which he joined in 2001. In addition to his role at Facebook, Wehner serves on the Board of Directors of Alector, Inc., a clinical-stage biotechnology company focused on the treatment of neurodegenerative diseases. He also serves as the co-chair of Joint Venture Silicon Valley, an nonprofit organization established to provide analysis and action on issues affecting the Silicon Valley economy and way of life. Dave holds a B.S. in chemistry from Georgetown University and an M.S. in applied physics from Stanford University.