Dr. Nagao’s primary research area is US-Japan-India security cooperation. He was awarded his Ph.D. by Gakushuin University in 2011 for his thesis, “India’s Military Strategy.”He worked previously at the Tokyo Foundation, the Ocean Policy Research Foundation, the Research Institute for Oriental Cultures at Gakushuin University, the Ministry of Foreign Affairs and Japan Self Defense Forces in Tokyo. He also worked as a lecturer at Gakushuin University, Aoyama-Gakuin University and Komazawa University. He was a visiting scholar at the Center for Strategic and International Studies, in Washington D.C. Since 2017, Dr. Nagao has hold numerous other research positions, including as a fellow at the Hudson Institute in Washington D.C., research fellow at the Institute for Future Engineering, senior research fellow at the Japan Forum for Strategic Studies, senior fellow at the Institute of National Security Studies Sri Lanka, and senior research fellow of the Indian Military Review.