Refereed Articles & Book Chapters

“Divisions of Labour: Security Cooperation Between Japan, South Korea and the United States,” Survival 67, no. 1, (2025): 71-88, (with Takuya Matsuda)

"Geopolitics in East Asia: Korea and Taiwan as Flash Points and 'Chiplands'," in Zak Cope, ed., The Palgrave Handbook of Contemporary Geopolitics, (Cham: Palgrave Macmillan, 2025): 801-821.

"Rethinking Geopolitics: Geography as an Aid to Statecraft," Texas National Security Review 6, no. 4, (2023), 79-100.

“The Korean Peninsula: The Geopolitical Pivot of Northeast Asia,” Orbis 65, no. 2, (2021): 322-41.

Commentary

"The Rise of the "Gators"

“An Alliance Division of Labor in East Asia,” War On The Rocks, August 18, 2022 (With Takuya Matsuda)

“Letter to the Editor: Spheres of Instability,” Survival 62, no. 6 (2020): 255-6

“Remembering General Paik Sun-yup,” Council on Foreign Relations, Jul. 15, 2020

“Geopolitics Redux: Explaining the Japan-Korea Dispute and Its Implications for Great Power Competition,” War On The Rocks, November 7, 2019 (With Takuya Matsuda)

“Korea and Japan’s Military Information Agreement: A Final Touch for the Pivot?,” The Diplomat, November 24, 2016 (With Sangyoung Yun)

Book Reviews

“Introduction: Bringing Korea Back into the "Great Game" for Asia," Review of The Other Great Game: The Opening of Korea and the Birth of Modern East Asia by Sheila Miyoshi Jager, Texas National Security Review, May 1, 2024. 

“Realism and Morality: E.H. Carr’s Twenty Years’ Crisis,” SAIS Review of International Affairs 39, No. 1, (2019): 107-113.

“Whither Westphalia?: Sean McFate's The Modern Mercenary,” SAIS Review of International Affairs 36, No. 1, (2016): 143-146.