According to this New York Times article, the man in charge of food at camp X-Ray in Guantanamo Bay Cuba is longtime U-M dining services employee James Kluck:

“The detainees are served at least two hot meals a day and some are rewarded with treats like ice cream and dates when they cooperate, said Chief Warrant Officer James Kluck, the food service director, who in civilian life looks after the food needs of a dormitory at the University of Michigan.”