Robert D. Eldridge is a former tenured associate professor of Japanese political and diplomatic history at Osaka University, served as the political and public diplomacy advisor and deputy assistant chief of staff, G-7 (Government and External Affairs), Marine Corps Installations Pacific, in Okinawa, from 2009-2015 and is the award-wining author, editor, translator, and contributor to more than sixty books about U.S.-Japan relations, including The Origins of the Bilateral Okinawa Problem (Routledge, 2001).