Thomas joined Spirit Airlines as an Executive Vice President, General Counsel and Secretary since October 2007. From 2006 to 2007 Mr. Canfield served as General Counsel & Secretary of Point Blank Solutions, Inc., a manufacturer of antiballistic body armor.

From 2004 to 2007, He served as CEO and Plan Administrator of AT&T Latin America Corp., a public company formerly known as FirstCom Corporation, which developed high-speed fiber networks in 17 Latin American cities. Mr. Canfield also served as General Counsel & Secretary at AT&T Latin America Corp from 1999 to 2004.

Previously Mr. Canfield was Counsel in the New York Office of Debevoise & Plimpton LLP. He Serves on the board and on the audit and nominating and corporate governance committee of Iridium Communications Inc., a satellite communications company.