Began his career at AT&T Bell Laboratories, is Senior Partner of Sienna Ventures (a privately-held venture capital firm in Sausalito, California) and has acted in this capacity since 2001. Dr. Amelio was Chairman and Chief Executive Officer of Jazz Technologies, Inc. (an analog-intensive mixed-signal semiconductor foundry solutions company) from 2005 until 2008, (at which time he was named Chairman Emeritus). Dr. Amelio was Chairman and Chief Executive Officer of Beneventure Capital, LLC (a venture capital firm in San Francisco, California) from 1999 to 2005 and was Principal of Aircraft Ventures, LLC (a consulting firm in Newport Beach, California) from 1997 to 2004. Prior to that, he served as Chief Executive Officer of Apple Computer Inc. from 1996 to 1997 and National Semiconductor Corporation from 1991 to 1996. Dr. Amelio is responsible for a number of patents. Dr. Amelio graduated from Georgia Institute of Technology where he earned his B.S., M.S. and Ph.D. degrees in physics. He was elected a Director of AT&T in 2001 and had previously served as an Advisory Director of AT&T from 1997 to 2001. He served as a Director of Pacific Telesis Group from 1995 until the company was acquired by AT&T (then known as SBC Communications Inc.) in 1997. He is the Chairman of the Human Resources Committee and a member of the Executive Committee and the Public Policy Committee. He is a Director of Pro-Pharmaceuticals, Inc. He previously served as a Director of Jazz Technologies, Inc. (2005-2008) and SiVault Systems, Inc. (2005).