【As of March 23, 2026】

Research Staff - Social Systems Division

Social Systems Division
Global Sustainability Integrated Assessment Section
Decarbonization Measures Assessment Section
System Innovation Section
Regional Planning Section
Environmental Policy Section

Social Systems Division

TAKAHASHI Kiyoshi

Director
ASHINA Shuichi

Deputy Director
MASUI Toshihiko

Senior Principal Researcher
HIBIKI Akira

Group Leader
RAJBHANDARI SAINJU Salony

Research Associate
ROSSITA Annuri

Research Associate

Global Sustainability Integrated Assessment Section

HANAOKA Tatsuya

Head
TAKAKURA Junya

Senior Researcher
TSUCHIYA Kazuaki

Senior Researcher
NISHIURA Osamu

Researcher
WIJENAYAKE Pavithra Rangani

Research Associate
KIMURA Keiichi

Research Associate
ODAKA Mitsuhiro

Research Associate

Decarbonization Measures Assessment Section

ASHINA Shuichi

Head(Additional Post)
Silva Herran Diego

Senior Researcher
KANAMORI Yuko

Chief Senior Researcher
HATA Sho

Researcher
AOYAGI Midori

Senior Research Associate
KAWARASAKI Satoko

Research Associate

System Innovation Section

FUJII Minoru

Head
MAKI Seiya

Senior Researcher
HIRANO Yujiro

Prime Senior Researcher
ICHINOSE Toshiaki

Senior Research Associate

Regional Planning Section

MATSUHASHI Keisuke

Head
KUBOTA Izumi

Chief Senior Researcher
ONODERA Hiroaki

Researcher
MORI Yasufumi

Senior Research Associate
TSANI Tsamara

Junior Research Associate

Environmental Policy Section

TAKAHASHI Kiyoshi

Head(Additional Post)
OKAGAWA Azusa

Senior Researcher
YAMAGUCHI Rintaro

Senior Researcher
ASAYAMA Shinichiro

Senior Researcher
HAYASHI Takehiko

Chief Senior Researcher
OGAMI Masakazu

Research Associate
FURUKAWA Mariko

Research Associate