Mr. Sullivan has served as our Head of Corporate Finance since October 2008. He previously held the position of Head of Investor Relations since joining the Company in 2005.  During his term at the Company, Mr. Sullivan has been directly involved with treasury, corporate communications, corporate development and strategic planning.  Prior to joining the Company, Mr. Sullivan served as Vice President of Investor Relations for AT&T Corp. from 2002 until 2005, during which time he was also a member of AT&T's Financial Leadership Team.  Prior to his role in Investor Relations, Mr. Sullivan played a role on AT&T's mergers and acquisitions team, as well as AT&T's Business Services and Solutions organization.  Prior to joining AT&T, Mr. Sullivan worked for Deutsche Bank Services as a member of its mergers and acquisitions investment banking group, focusing on telecommunications.  Mr. Sullivan holds a bachelor's degree in Economics from Hamilton College and an MBA from Columbia University.