EXPERTS

• BY TITLE
• BY NAME

SENIOR POLICY RESEARCH OFFICER

• Shigeki Morinobu
  • 
  • SENIOR POLICY RESEARCH OFFICER
  • Shigeki Morinobu

  Areas of Expertise

  • Tax and fiscal policy
  • local finances

  Research Program

  • The History of Japan’s Consumption Tax: An Archive of Key Events and Documents ( –2021)
  • Assessing the Integrated Reform of Tax and Social Security Systems in Japan (2021–2022)
  • Digitalization of the Economy and International Taxation(-2024)
  • Assessing the Integrated Reform of Tax and Social Security Systems in Japan 2(-2025)

RESEARCH DIRECTOR

• Hikaru Hiranuma
  • 
  • RESEARCH DIRECTOR
  • Hikaru Hiranuma

  Areas of Expertise

  • Natural resources and energy issues
  • environment

  Research Program

  • The Blue Economy: International Trends and the Situation in Japan ( –2021)
  • Japan’s Response to an Accelerating Global Energy Transition (2021–2022)
  • Advancing Renewable Energy Initiatives through Local Ownership(-2024)
  • The Blue Economy: International Trends and the Situation in Japan—A Follow-Up(-2025)
  • Japan’s Response to an Accelerating Global Energy Transition—A Follow-Up(-2025)
  • Measures Necessary to Build a Circular Economy Society(-2025)

• Sota Kato
  • 
  • RESEARCH DIRECTOR
  • Sota Kato

  Areas of Expertise

  • Comparative political economy
  • political methodology (formal modeling, machine learning)
  • Japanese politics

  Research Program

  • Future Design: Research on Decision-Making Methods for Intergenerational Sustainability ( –2021)
  • Plans for Sustainable and Politically Acceptable Fiscal Consolidation and Social Insurance Reform from the Perspectives of Behavioral Economics and Political Science(-2024)
  • Contingency Plans for a Potential Financial Crisis(-2025)

• Fumiaki Kubo
  • 
  • RESEARCH DIRECTOR
  • Fumiaki Kubo

  Areas of Expertise

  US political and diplomatic history, modern American parties, policy making, US foreign policy

• Kiyoteru Tsutsui
  • 
  • RESEARCH DIRECTOR
  • Kiyoteru Tsutsui

  Areas of Expertise

  • Global and transnational sociology
  • political sociology
  • comparative historical sociology
  • social movements, human rights
  • Japanese society
  • organizations and economic sociology
  • quantitative methods

  Research Program

  • Strategies for Technological Innovation and Economic Revitalization in the New Era of Global Competition(-2024)

SENIOR FELLOW

• Takanori Fujita
  • 
  • SENIOR FELLOW
  • Takanori Fujita

  Areas of Expertise

  • Medical law
  • medical policy
  • medical information
  • medical AI
  • medical data
  • online medical care

  Research Program

  • Health System Innovation in the Post-COVID Era(-2024)
  • Human Resource Development to Tackle Issues in the Fields of Health, Medical Care, and Nursing through Private Sector Initiatives(-2025)
  • Talent development for local healthcare DX(-2025)

• Akiko Fukushima
  • 
  • SENIOR FELLOW
  • Akiko Fukushima

  Areas of Expertise

  • International relations theory
  • international security

• Ken Jimbo
  • 
  • SENIOR FELLOW
  • Ken Jimbo

  Areas of Expertise

  International and Asia-Pacific security, East Asian regionalism, Japan’s foreign and security policy

• Long Ke
  • 
  • SENIOR FELLOW
  • Long Ke

  Areas of Expertise

  • Development finance
  • Chinese economy

  Research Program

  • Managing the Risk of RMB Internationalization and Digitalization (2021–2022)
  • Pre- and Post-COVID Chinese Society, Economy, and Politics(-2025)

• Naoki Oka
  • 
  • SENIOR FELLOW
  • Naoki Oka

  Areas of Expertise

  International taxation, tax policy

  Research Program

  • Assessing the Integrated Reform of Tax and Social Security Systems in Japan (2021–2022)
  • Digitalization of the Economy and International Taxation(-2024)
  • Assessing the Integrated Reform of Tax and Social Security Systems in Japan 2(-2025)

• Kiyotada Tsutsui
  • 
  • SENIOR FELLOW
  • Kiyotada Tsutsui

  Areas of Expertise

  • Contemporary Japanese politics and culture
  • political-military relations
  • human resources development, cultural policy

POSTDOCTORAL FELLOW

• Asako Chiba
  • 
  • POSTDOCTORAL FELLOW
  • Asako Chiba

  Areas of Expertise

  • Macro-finance
  • financial crisis
  • network model

  Research Program

  • Quantitative Analysis of Epidemics and Economic Implications ( –2023)
  • Future Design: Research on Decision-Making Methods for Intergenerational Sustainability ( –2021)
  • Economic Analyses of Pandemics(-2025)

DISTINGUISHED FELLOW

• Tatsuo Hatta
  • 
  • DISTINGUISHED FELLOW
  • Tatsuo Hatta

  Areas of Expertise

  • Public economics
  • urban economics
  • international economics

• Katsuhito Iwai
  • 
  • DISTINGUISHED FELLOW
  • Katsuhito Iwai

  Areas of Expertise

  • Theory of capitalism
  • monetary theory
  • disequilibrium dynamics
  • evolutionary economics
  • corporate governance
  • theory of fiduciary relations
  • history of social thought

• Yoriko Kawaguchi
  • 
  • DISTINGUISHED FELLOW
  • Yoriko Kawaguchi

  Areas of Expertise

  • Foreign policy and nonproliferation
  • environment
  • corporate social responsibility
  • gender

• Shinichi Kitaoka
  • 
  • DISTINGUISHED FELLOW
  • Shinichi Kitaoka

  Areas of Expertise

  • Political and diplomatic history of Japan
  • United Nations
  • Japan-US relations
  • political parties and leadership

MANAGER

• Shoko Yoshihara
  • 
  • MANAGER
  • Shoko Yoshihara

  Areas of Expertise

  • National land resources
  • land ownership system
  • local culture

  Research Program

  • Policy Developments regarding the Problem of Unknown Land Ownership ( –2021)
  • The Problem of Unclaimed Land: Analysis of New Policies (2021–2022)
  • The Role of the Community in Land Policy in the Era of Depopulation(-2024)
  • Verification of New Land Legislation and Collaboration for its Dissemination(-2025)

INQUIRIES

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