Leadership Network Participants

Next Generation Japan Leadership Network Participant Bios


  • Ken Adachi, Manager, Mitsubishi Corporation (Americas) Washington Office
  • Yukako Hatakeyama , Social Worker, Associate Professor, Researcher, Kobe Women’s Junior College
  • Kohtaro Ito, Research Fellow, Canon Institute for Global Studies (CIGS)
  • Kei Koga, Assistant Professor, Public Policy & Global Affairs, School of Humanities and Social Sciences, Nanyang Technological University; Japan-U.S. Partnership Fellow, Research Institute for Peace and Security (RIPS)
  • Seiko Mimaki, Postdoctoral Fellow, Japan Society for the Promotion of Science (JSPS); Affiliated Researcher,  Waseda University; Academic Associate, Weatherhead Center for International Affairs, Harvard University
  • Daisuke Miyakawa, Research Associate, Weatherhead Center for International Affairs, Harvard University
  • Junya Nishino , Associate Professor, Department of Political Science, Faculty of Law and Politics, Keio University
  • Hiro Saito , Assistant Professor, Department of Sociology, University of Hawaii at Manoa
  • Yasuyuki Saito, Analyst, The Opinion Poll Research Center, The Asahi Shimbun
  • Rieko Shimizu, Manager, Global Research Team, Global Relations Department, Mitsubishi Corporation
  • Aiko Shimizu, Resident Sasakawa Peace Foundation (SPF) Fellow, Pacific Forum CSIS
  • Takakazu Yamagishi, Associate Professor, Department of British and American Studies, Nanzan University
  • Yukie Yoshikawa, Fellow, Regional Security Policy Division of the Okinawa Prefectural Government



Ken AdachiKen Adachi

 Mr. Ken Adachi is Manager at the Mitsubishi Corporation (Americas) Washington Office.  Mr. Adachi has held several assignments since joining Mitsubishi Corporation and specialized in research and forecasting of the global economy, financial markets and commodity markets.  Mr. Adachi was engaged in developing policy proposals as a CSIS-NIKKEI Virtual think-tank fellow.  As fellow, he co-authored “Trade Policy Proposal” (Nov., 2011) and “Exchange Policy Proposal” (May, 2012).  Mr. Adachi was also a member of U.S.-Japan Alliance Leaders working group which was launched by the U.S. Embassy in Tokyo.   Top



HatakeyamaYukako Hatakeyama

Dr. Yukako Hatakeyama is a social worker, college professor, and researcher who has been devoting herself to child welfare for the last 15 years.  She specializes in the child protection system in Japan and is actively working towards its revitalization.  Her interest in helping families originated from her internship experiences at a residential care facility in Japan, where she met children who were separated from their families.  She has been seeking effective ways to help the whole family while avoiding “out of home placements” of children.

Her current research interest is differential response system in the United States.  She also has experience working in Chicago with families who were at risk of child abuse and neglect.  Dr. Hatakeyama earned her Ph.D. in Human Welfare Study from Kwansei Gakuin University and her Masters of Social work from the University of Chicago, where she was a Fulbright Scholar.  She currently teaches at Kobe Women’s Junior College as an associate professor.      Top



kohtaro_itoKohtaro Ito

Mr. Kohtaro Ito is a Research Fellow at the Canon Institute for Global Studies (CIGS).  In 2004, he started to work at the office of a member of the House of the Representatives. In 2006, he took a position as Assistant Program Officer for political exchange program at the Japan Center for International Exchange (JCIE). Afterward, he served as a junior research fellow supported by Korean Government Scholarship Program.

After coming back to Tokyo, he joined the Foreign Affairs and National Security team at CIGS and has been contributing to research and analytical activities of the team on issues concerning Korea. In addition, he is a coordinator for PAC (Political Appointee Candidates) Dojo Program and PAC Policy Simulation, called “War-game.”

Mr. Ito received his Master and Bachelor degrees in Policy Studies from Chuo University in 2001 and 2004.  He was an exchange student at Korea University, Seoul during graduate school.    Top



KOGAKei Koga

Dr. Kei Koga is an Assistant Professor at the Public Policy & Global Affairs, School of Humanities and Social Sciences, Nanyang Technological University.  He is concurrently a Japan-U.S. Partnership Fellow at the Research Institute for Peace and Security (RIPS), Tokyo.

His research interests include international relations theory, international security, international institutions, institutional changes, East Asian regional security, U.S.-Japan relations, and ASEAN.  He has published on topics that include East Asian security, U.S. and Japanese foreign policies, the U.S.-Japan alliance, and ASEAN. Dr. Koga received a Ph.D. in International Relations at the Fletcher School of Law and Diplomacy, Tufts University.    Top



Seiko MimakiSeiko Mimaki

Dr. Seiko Mimaki is a Japan Society for the Promotion of Science (JSPS) Postdoctoral Fellow and an Affiliated Researcher at Waseda University.  Currently she is affiliated with the Weatherhead Center for International Affairs, Harvard University as an academic associate of the Program on U.S.-Japan Relations.

She received her B.A., M.A., and Ph.D. from the Department of Area Studies, the University of Tokyo, and was affiliated with the Macmillan Center at Yale University as a Fox International Fellow from 2006-2007.

Her research examines historical roles of U.S. and Japan in developing new norms and cooperative frameworks for international and regional peace.  She is currently completing a book manuscript based on her doctoral thesis which reveals U.S. initiatives to outlaw international wars in the interwar period.    Top



Photo_Miyakawa_20130114Daisuke Miyakawa

Dr. Daisuke Miyakawa received his B.A. in Economics from Waseda University, and M.A., C.Phil., and Ph.D. in Economics from University of California, Los Angeles.  His research interests include financial economics, financial intermediation, corporate finance, and asset pricing.  His articles have been published in Economic Review, Seoul Journal of Economics, Journal of Market Economy, and edited volumes.  Most recently, he served as an associate senior economist at the Research Institute for Capital Formation (RICF), the Development Bank of Japan.

He is currently serving as a Research Associate at the Weatherhead Center for International Affairs, Harvard University, and will join the faculty members of Nihon University College of Economics from the April 2014.  He has also taught at various academic institutions including UCLA, Waseda University, SophiaUniversity, ToyoUniversity, and National Graduate Institute for Policy Studies (GRIPS).

Dr. Miyakawa’s current research projects cover the impact of financial frictions on firm dynamics (e.g., capital investment, export, entry and exit, borrowing, innovation), the transmission of external shocks (e.g., monetary policy, natural disasters) to firm dynamics, the role of venture capitals for the performance of venture firms, and the empirical analyses of the pricing mechanisms in bond and credit derivatives markets.    Top




Junya Nishino

Dr. Junya Nishino is an Associate Professor at the Department of Political Science, Faculty of Law and Politics, Keio University in Tokyo, Japan.  He was a Japan Scholar at the Woodrow Wilson International Center for Scholars and a Visiting Scholar at the Sigur Center for Asian Studies, George Washington University in 2012-2013.  He was also an Exchange Scholar at the Harvard-Yenching Institute in 2011-2012.

Dr. Nishino’s research focuses on contemporary Korean politics, international relations of East Asia and Japan-Korea relations.  Recently he edited the books “East Asia in Transition and the North Korean Issue” (Keio University Press, 2012) and “Great Transition on the Korean Peninsula” (Keio University Press, 2013).  He has been a member of the steering committee of “the Joint Research Project on Japan-ROK Relations in New Era” since 2009.    Top



Hirohisa_saito Hirohisa Saito

Dr. Hirohisa (Hiro) Saito is an Assistant Professor of Sociology at the University of Hawaii at Manoa and a faculty member of the Center for Japanese Studies.  He received his B.A. in Sociology from International Christian University and Ph.D. in Sociology from the University of Michigan.  He is a past participant in the Japan-America Student Conference and recipient of the SSRC-JSPS Postdoctoral Fellowship.

During 2013-14 he is affiliated with the Harvard U.S.-Japan Relations Program as a postdoctoral fellow. As a political sociologist, he researches how interactions between the state and civil society shape public policies by focusing on the role of experts.  He recently completed a book manuscript that examines the historical evolution of the “history problem” in East Asia.  Currently, he is working on a new research project that looks at the Japanese government’s policy response to the 2011 Fukushima Daiichi Nuclear Accident.

In addition to his research as a sociologist, he works with educators and teachers in Japan to make social studies more cosmopolitan and problem-solving-oriented.  He also volunteers for Friends of the Earth Japan to help its effort to create a more ecologically sustainable society.

He received his B.A. and M.A. from Keio University, and Ph.D. in Political Science from Yonsei University in South Korea.  Previously he served as a Special Analyst on Korean Affairs in the Intelligence and Analysis Service of the Japanese Ministry of Foreign Affairs (2006-2007), and was a Special Assistant on Korean Politics at the Japanese Embassy in Seoul (2002-2004).   Top




Mr. Yasuyuki Saito has been working for The Asahi Shimbun, Japanese daily newspaper company in The Opinion Poll Research Center for more than 10 years.  He has covered various aspects of the opinion polls such as conducting telephone surveys, mail surveys, face-to-face surveys and writing survey reports as newspaper articles for the company.  He received his Bachelor’s and Master’s of Electrical Engineering at National Chiba University in 1989.

The Asahi Shimbun conducts polls not only on domestic politics and social issue, but also on international various topics.  Mr. Saito has acted as a project leader in several international survey projects.  For example, he has conducted a Japan-U.S. survey concerning the Japan-U.S. security treaty in 2010 and another survey across 7 countries including Japan and U.S. concerning nuclear power generation in 2011 right after the earthquake and Fukushima nuclear power plant accident. Mr. Saito’s hobby is riding and making bikes.  He now lives in Shinagawa, Tokyo. Top



Rieko ShimizuRieko Shimizu

Ms. Rieko Shimizu joined Mitsubishi Corporation in October 2012 and is serving as Manager, Global Research Team, Global Relations Department.  Prior to the current position, Ms. Shimizu worked for the Ministry of Foreign Affairs of Japan for 12 years.

Ms. Shimizu joined the Ministry immediately after graduating university in 2000, and worked in the various divisions including the Global Issues Division, International Cooperation Department – presently called as the Global Environment Division, International Cooperation Bureau, the First Africa Division, African Affairs Department and the First North America Division, North American Affairs Bureau.

Ms. Shimizu also had experience in working abroad as the Third Secretary of the Embassy of Japan in the Republic of South Africa from 2003 to 2005 and as the Second Secretary of the Embassy of Japan in the Republic of Indonesia from 2011 to 2012.  Ms. Shimizu received a Master’s Degree from the University of Oxford (MSc in Nature, Society and Environmental Policy) in 2003.  Ms. Shimizu was born in Sydney, Australia.    Top



SONY DSCAiko Shimizu

Ms. Aiko Shimizu is a Resident Sasakawa Peace Foundation (SPF) Fellow at the Pacific Forum CSIS. She received a Bachelor of Arts in Political Science and International Studies from the University of Chicago and her graduate degrees from Columbia University’s School of International and Public Affairs (SIPA) and the University of Pennsylvania Law School.

Ms. Shimizu’s professional experiences include working at the United Nations, Permanent Mission of Japan to the UN, and the International Tribunal for the Law of the Sea.    Top



yamagishi_picTakakazu Yamagishi

Dr. Takakazu Yamagishi is an Associate Professor in the Department of British and American Studies at Nanzan University.  His research interests include American politics, Japanese politics, and comparative health care policy.

One of his recent publications, War and Health Insurance Policy in Japan and the United States (Johns Hopkins University Press, 2011), examines how World War II impacted the development of health insurance policy in Japan and the United States.  Dr. Yamagishi received his Ph.D. in political science at Johns Hopkins University.    Top



YoshikawaYukie Yoshikawa

Ms. Yukie Yoshikawa is a Fellow at the Regional Security Policy Division of the Okinawa Prefectural Government.  After working at Accenture from 1997-2002, she joined the Reischauer Center, SAIS, as a Senior Research Fellow until 2010.  In 2005, she received a Master of International Affairs at the Columbia University School of International and Public Affairs (SIPA) and B.A. at Keio University in 1997.    Top

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