Lieutenant General(Retired) Jun Nagashima was born in 1960 in Tokyo, Japan. He served as a Government of Japan Cabinet Councillor starting in August 2013 and also as Deputy Assistant Chief Cabinet Secretary, National Security Secretariat, from January 2014. He is the first military officer to hold the position of Cabinet Councillor in Japan. As an intelligence expert, his extensive career includes critical assignments as Defense Attaché, Liaison Officer to NATO and the EU, Embassy of Japan in Belgium, Director, Logistics (J-4), Joint Staff Office. and Defense Intelligence Officer, Defense Intelligence Headquarters. He retired from Commandant of Air Command & Staff College / Center for Air Power Strategic Studies in August 2019.
He is a graduate of the National Defense Academy and earned his Master’s Degree (European Security) from Tsukuba University. He attended “Generals, Flag Officer and Ambassador Course” at NATO Defense College and “Transnational Security Cooperation Course” at APCSS. He is a prolific writer of academic essays including “Proliferation of Ballistic Missile and Security of East Asia,” The Journal of National Defense (Nov,1994) which won the prestigious 1994 Kamiya Fuji prize, “UK–Japan cooperation in response to electronic warfare,” Chatham House, the Royal Institute of International Affairs(March,2021) , Will the digital nation Ukraine triumph over Russia?, Nikkei BP (July,2022), etc
