Mr. Gillis currently serves as the Principal Deputy Assistant Secretary of Army Installations, Energy, and Environment. Mr. Gillis previously worked in various consulting roles at ScottMadden, Inc., culminating in his position as a Director in their Energy Practice. Mr. Gillis was also previously a member of the management team at McMaster-Carr Supply Company. Mr. Gillis served in the United States Army on active duty with the Third Infantry Division, earning the rank of Captain. He was later recalled to active duty to serve as the liaison between Coalition Forces and local Iraqi leaders, where he earned the rank of Major. Mr. Gillis is a recipient of the Bronze Star Medal, the Purple Heart, the Combat Action Badge, and the Parachutist Badge. Mr. Gillis holds an undergraduate degree from Duke University and an M.B.A. from the Goizueta Business School at Emory University.