Masahiko Sasajima

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Masahiko Sasajima

Masahiko Sasajima is a journalist and the professor of international affairs at Atomi University, where he has taught since 2015. Prior to joining Atomi University, he had been engaged in news reporting for the Yomiuri Shimbun Newspaper over 35 years. Most recently, he was a Senior Research Fellow at the Yomiuri Research Institute, the research arm of the Yomiuri Shimbun Newspaper and covered diplomacy, international security issues, U.S.-Japan alliance, and strategic problems. He joined the Japan Institute of International Affairs (JIIA) in January 2004 as Senior Research Fellow, when he was concurrently a Research Fellow at the Yomiuri Research Institute. Since joining the newspaper company in 1980, he served a significant portion of his reporting career covering domestic and foreign affairs, and was responsible for covering the Prime Ministerfs office, the Ministry of Foreign Affairs, the Defense Agency, the Liberal Democratic Party, and the Japan Socialist Party in Tokyo. From 1996 to 1998, he served as a Beijing correspondent, filing stories on Chinese politics and diplomacy and Chinafs international relations, but focusing primarily on Japan-China relations. Since his return from China, he has been a commentary writer and has written on a wide range of security and international issues in Asia and the Pacific region. Later on, he served as a visiting fellow at the Graduate School of Journalism at UC Berkeley from 2001 to 2002. He received his MA in International Relations and International Economics from the School of Advanced International Studies (SAIS) at Johns Hopkins University in 1988. His BA in Political Science is from Waseda University in Tokyo, Japan.

Curriculum Vitae

Current Position

Professor of International Affairs
Atomi University


sasajima (at) --- Please replace (at) with @

Office Address
Atomi University

yBunkyo Campusz
1-5-2, Otsuka, Bunkyo-ku, Tokyo
112-8687 JAPAN
yNiiza campusz
1-9-6, Nakano, Niiza-shi, Saitama,
352-8501 JAPAN

Office Numbers

Office Phone : +81-48-478-3413
Office FAX@@: +81-48-478-3393


  • M.A. (International Relations), School of Advance International Studies (SAIS), Johns Hopkins University, 1988
  • B.A. (Political Science), Department of Political Science and Economy, Waseda University, 1980

Professional experience:

  • 1980-2015 Staff Writer THE YOMIURI SHIMBUN
  • 1986-1988 School of Advance International Studies (SAIS), Johns Hopkins University
  • 1988-1995 Staff Writer for Political News, THE YOMIURI SHIMBUN
  • 1996-1998 Beijing Correspondent, THE YOMIURI SHIMBUN
  • 1998-2000 commentary and analysis writer, THE YOMIURI SHIMBUN
  • 2001-2002 Visiting lecturer, Graduate school of Journalism, University of California at Berkeley
  • 2004-2005 Senior Research Fellow, Institute of International Affairs (JIIA)
  • 2004-2005 Visiting Professor, University of Kyushu
  • 2008-2015 Senior Research Fellow, Yomiuri research Institute
  • 2015-present Professor, Atomi University

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