Admiral Giambastiani served as Seventh Vice Chairman of the U.S. Joint Chiefs of Staff from 2005 to 2007, NATO Supreme Allied Commander Transformation from 2003 to 2005, and Commander, U.S. Joint Forces Command from 2002 to 2005. Admiral Giambastiani is a career U.S. Navy nuclear submarine officer with extensive operational experience, including command at the submarine, squadron and fleet level. His staff experience includes service as Co-Chairman of the Defense Acquisition Board and Chairman of the Joint Requirements Oversight Council. Admiral Giambastiani also serves on the board of Monster Worldwide, Inc.
Admiral Giambastiani is a member of the Audit Committee, the Finance Committee and the Special Programs Committee.