1982, began career with Southwestern Bell Telephone; 2001-04, Senior Executive Vice-President and Chief Financial Officer; 2004-07, Chief Operating Officer; 2005, appointed to AT&T's board of directors; 2007, became Chairman and Chief Executive Officer, AT&T; has transformed the company into a global leader in mobile internet services and IP-based business communications solutions. Chairman, Business Roundtable, an association of chief executive officers of leading US companies with $7.4 trillion in annual revenues and more than 16 million employees.