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Ms. Dobson has served as the chairperson of the board of directors since March 2005 and has been a director since July 2003. Ms. Dobson is a member of the company�s audit committee and compensation committee. Since 2002, she has served as the chairperson of TeleBright Corp., a company that develops software and tools for telecom services. From July 1998 until February 2002, Ms. Dobson was chief operating officer of TeleCorp PCS, Inc., a wireless telecommunications provider. She joined TeleCorp PCS as a start-up and was responsible for all aspects of operations and participated in raising debt and equity financing until AT&T Wireless purchased the company in February 2002. Ms. Dobson spent 18 years with Bell Atlantic Corporation, where she held various positions in several of its domestic and international business units, including serving as president, New York region of Bell Atlantic Mobile, from October 1997 through July 1998. She also had served as vice president, strategic planning and business development, Bell Atlantic Enterprises Corporation from 1996 to 1997, and president and chief executive officer, Bell Atlantic Business Systems, International from 1993 to 1996. She also serves on the board of directors of PNM Resources, Inc., a holding company of energy and energy-related companies, and Safeguard Scientifics, Inc., a holding company for information technology companies. | 