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Mr. Cavaco joined the Company in November, 2000, and served as its Chief Technology Officer until April, 2001, when he became the Company's Chief Information Officer. Since April, 2003, Mr. Cavaco has served as the Company's Executive Vice President and Chief Information Officer. Prior to joining the Company, Mr. Cavaco worked for MCI WorldCom Wireless from June, 1997, as the Network and Systems Manager and, later, Applications Development Manager. From 1991 until June, 1997, Mr. Cavaco was self-employed as an information system consultant. | 