David M. Wehner is on the board of Alector, Inc. and Co-Chairman for Joint Venture Silicon Valley Network and Chief Financial Officer for Facebook, Inc. In the past Mr. Wehner was Chief Financial Officer at Zynga, Inc., Principal at Hambrecht & Quist Group, Inc. and Managing Director at Allen & Co., Inc. David M. Wehner received an undergraduate degree from Georgetown University and a graduate degree from Stanford University.