Mr. McMahon is the former Assistant Secretary of Defense for Sustainment. He served as the principal staff assistant and advisor to the Under Secretary of Defense for Acquisition and Sustainment, Deputy Secretary of Defense, and Secretary of Defense on sustainment in the Department of Defense, and was the principal logistics official within the senior management.

From 2015 to 2017, Mr. McMahon served as President of Fickling Management Services in Macon, Georgia. He led a team of commercial real estate professionals whose portfolio spanned eight states. Previously, he served as the Director of Field Operations and Site Lead (Warner Robins Air Force Base, Georgia) of the Boeing C-17 Globemaster III Integrated Sustainment Program (GISP), and as the CEO of the 21st Century Partnership in Warner Robins, Georgia.

Born in Toledo, Ohio, Mr. McMahon entered active duty in the United States Air Force after graduation from the U.S. Air Force Academy in 1978.  Mr. McMahon holds a Bachelor of Science degree from the United States Air Force Academy and a Master of Science degree in Maintenance Management from the Air Force Institute of Technology.

Currently, Mr. McMahon serves as an Operating Advisor to Liberty Hall Capital Partners, a private equity firm focused on the aerospace and defense sector; serves as a senior advisor to Systecon North America, the nation’s premier modeling and simulation firm; serves as a consultant for the Institute for Defense Analysis; and sits on the Board of American Roll-On Roll-Off Carrier, the leading U.S.-flag Ro-Ro carrier.