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Eugene Eidenberg has served as a director since November 1997 and non-executive chairman of the board of directors since April 2002. From November 1997 until April 2002, Mr. Eidenberg was the chairman of the board of directors. From July 2001 until April 2002, Mr. Eidenberg served as our chief executive officer.
Mr. Eidenberg has been a Managing Director of Granite Venture Associates LLC, an early-stage high tech venture capital firm, since 1999 and has served as a Principal of Hambrecht & Quist Venture Associates, an early-stage high tech venture capital firm, since 1998 and was an advisory director at the San Francisco investment-banking firm of Hambrecht & Quist from 1995 to 1998. Mr. Eidenberg served for 12 years in a number of senior management positions with MCI Communications Corporation, one of the largest communications networks. His positions at MCI included Senior Vice President for Regulatory and Public Policy, President of MCI's Pacific Division, Executive Vice President for Strategic Planning and Corporate Development and Executive Vice President for MCI's international businesses. Mr. Eidenberg is currently a director of several private companies. Mr. Eidenberg holds a Ph.D. and a Master of Arts degree from Northwestern University and a Bachelor of Arts degree from the University of Wisconsin. | 