General (Ret.) Professor Yamaguchi taught at the Graduate School of International Relations, International University of Japan, from 2015 until his retirement in March 2024. He has served as the Dean (2016-2020), GSIR, and the Vice President (2016-2021), IUJ.  He graduated from the National Defense Academy in 1974 and finished the Command and General Staff Course of the GSDF Staff College in 1983. He received his MA from the Fletcher School of Law and Diplomacy, Tufts University in 1988, and was a National Security Fellow at John M. Olin Institute for Strategic Studies, Harvard University in 1991-1992.  After serving as Senior Defense Attaché at the Japanese Embassy in the United States (1999-2001), he has served as Deputy Commandant of the GSDF Aviation School (2001-2002), Director for Research of the GSDF Research and Development Command (GRDC) (2002-2005), Vice President of the National Institute for Defense Studies (2005-2006).  Since 2006 he held responsibilities as Commanding General of the GRDC until when he retired from active duty in December 2008.  From 2009 to 2015 he taught at the National Defense Academy of Japan.  From 2015 to 2024, he was appointed at International University of Japan as Professor, Graduate School of International Relations (GSIR).  During his time at IUJ, he served as Vice President and Dean of GSIR. After the Great East Japan Earthquake in March 2011, he served at the Prime Minister’s Office as Special Advisor to the Cabinet for Crisis Management until September.  From 2017 to 2019, he was appointed by the Foreign Minister as a member of the Group of Eminent Persons for Substantive Advancement of Nuclear Disarmament.

His recent publications include: Noboru Yamaguchi and Shutaro Sano, “Japan-India Security Cooperation: On Pursuit of a Sound and Pragmatic Partnership,” Poised Partnership, Deepening India-Japan Relations in the Asian Century (Oxford University Press, 2016).