John Hemmings is an adjunct fellow with the Japan Chair at the Center for Strategic and International Studies (CSIS) and an associate professor at the Daniel K. Inouye Asia-Pacific Center for Security Studies, where he is a subject matter expert on the U.S. alliance system, Japan, and the Indo-Pacific. In addition to teaching and managing workshops with a range of regional militaries, he is occasionally asked to brief senior visitors to the Center. Previously, Dr. Hemmings was the director of the Asia Studies Centre at the Henry Jackson Society and, before that, a research assistant at the Royal United Services Institute (RUSI) in London. His research focuses on Japan and security in northeast Asia, and he takes a special interest in the geopolitics of technology. In London, he briefed a number of UK government departments, including the Ministry of Defence, Department for International Trade, and the Cabinet Office. In 2019, he was an expert witness in the House of Commons Defence Committee inquiry on East Asia. He has held a number of visiting fellowships, including the Handa Fellowship at Pacific Forum CSIS in 2012 and a visiting scholarship at Hitotsubashi University in Tokyo. Dr. Hemmings writes for the Telegraph, the National Interest, and the Lowy Interpreter, and he has made regular appearances on the BBC, Sky News, and Al Jazeera. His academic work has been published in peer review journals, including International Affairs, RUSI Journal, Pacific Forum’s Issues & Insights, Harvard Asia Quarterly, and International Politics Review.