Tomohiko Satake is a senior research fellow at the policy simulation office of the National Institute for Defense Studies (NIDS) located in Tokyo. He specializes in alliance studies, Japanese regional policy, and Japan-US-Australia security cooperation. Between 2013 and 2014, he worked for the International Policy Division of the Defense Policy Bureau of the Japan Ministry of Defense as a deputy director for international security. He has also taught at Keio, Hosei and Hitotsubashi University. He earned B.A. and M.A. from Keio University, and PhD in international relations from the Australian National University. His recent publication includes: “Japan–Australia security cooperation in the bilateral and multilateral contexts” (co-authored with John Hemmings), International Affairs, Volume 94, Issue 4, July 2018.