"Dr. Thomas X. Hammes joined the National Defense University's Institute for National Strategic Studies in June 2009. His areas of expertise include future conflict, the changing character of war, military strategy, operational concepts, and insurgency. Dr. Hammes earned a Bachelor of Science from the Naval Academy in 1975 and holds a Masters of Historical Research and a Doctorate in Modern History from Oxford University. He is a Distinguished Graduate from the Canadian National Defence College. He has published three books: Deglobalization and International Security; The Sling and the Stone: On War in the 21st Century; and The 1st Provisional Marine Brigade, the Corps’ Ethos, and the Korean War. He has also published over 160 articles. His publications have been used widely in staff and defense college curricula in the US, UK, Canada, Australia, and Singapore. Dr. Hammes has lectured extensively at leading academic and military institutions in the United States and abroad. Prior to his retirement from active duty, Dr. Hammes served 30 years in the Marine Corps to include command of an intelligence battalion, an infantry battalion and the Chemical Biological Response Force. He participated in military operations in Somalia and Iraq and trained insurgents in various locations."