 He has also served as a trustee of the Chicago Botanic Garden and the Field Museum of Natural History.Lacy joined Sears in 1994 and served in a number of senior positions, including Chief Financial Officer, President-Credit and President-Services before being named CEO in 2000.He became CEO of Sears Holdings Corporation following the 2005 acquisition of Sears by Kmart Holdings and Vice Chairman prior to his departure in 2006.