Gary Lewis Crittenden (born 1953) is an American financial manager. He is currently an executive director of HGGC, where he also previously served as CEO and chairman. He is also the former chairman of Citi Holdings. He has served as chairman of the boards of Citadel, Power Holdings, and iQor; as lead independent director of Pluralsight; and has served on the boards of Extra Space Storage, Staples Inc., Ryerson, Inc., TJX Companies, and Utah Capital Investment Corp. From 2000 to 2007, Crittenden was Executive Vice President and Chief Financial Officer (CFO) of American Express, and from March 2007 to March 2009, he was the chief financial officer of Citigroup.