|Tom A. Alberg|
Madrona Venture Group
Tom A. Alberg has been a director since June 1996. Mr. Alberg has been a managing director of Madrona Venture Group, LLC, a venture capital firm, since September 1999, and a principal in Madrona Investment Group, LLC, a private investment firm, since January 1996. Prior to co-founding Madrona Investment Group, Mr. Alberg served as president of LIN Broadcasting Corporation, Executive Vice President of McCaw Cellular Communications, Inc., and Executive Vice President of AT&T Wireless Services. Previously, he was chair of the Executive Committee and Partner at Perkins Coie, the Northwest’s largest law firm. Mr. Alberg has served as a director of Impinj, Inc. since September 2000.