He contributes to IHS Jane's Defence, NK News, and Toyo Keizai Online among other media by writing in both English and Japanese.

Previously, he has worked as Tokyo correspondent for IHS Jane's Defence Weekly from January 2009 to early September 2014, specializing in Japan's defense and politics as well as East Asian affairs such as on Sino-Japanese relations and Korean Peninsula issues.

[1] His work has appeared in the International Herald Tribune, The Guardian, The Straits Times, Institutional Investor magazine, Asia Times Online, The Diplomat, NK News and Japan’s Tokyo Keizai magazine, among other publications.

[2] His comments on international affairs have appeared in worldwide articles[3] such as those of the Christian Science Monitor,[4] the Australian,[5] Italy’s daily newspaper Il Foglio,[6] the Taipei Times,[7] the Ukrainian Week,[8] China's Xinhua News Agency[9] and South Korea's JoongAng Ilbo.

[11] After working for The Asahi Shimbun and Dow Jones, he studied at Columbia University's Journalism School and School of International and Public Affairs (SIPA), and graduated with Master of Science in Journalism in 2003 and Master of International Affairs in 2004.