About ICLEI Japan

 ICLEI Japan was founded in 1993, as one of the country offices of ICLEI – Local Governments for Sustainability, and serves to build and enhance the local governments' network in Japan. ICLEI Japan supports the member cities to lead local initiatives, to promote global collaboration to acheive regional and global sustainability goals in partnership with other ICLEI offices and partner organizations.

Our Governance

Board of directors(as of 1 November 2017)




Hironori Hamanaka

Special Research Advisor
Institute for Global Environmental Strategies (IGES)

Gino Van Begin

Secretary General, ICLEI World Secretariat

Yuriko Koike

Governor, Tokyo Metropolitan Government

Daisaku Kadokawa

Mayor, City of Kyoto
Chair, ICLEI East Asia Regional Executive Committee

Kenji Kitahashi

Mayor, City of Kitakyushu

Kazumi Matsui

Mayor, City of Hiroshima

Reiko Matsushita

Mayor, City of Musashino

Fumiko Hayashi

Mayor, City of Yokohama

Chair: Prof. Hironori Hamanaka

From 1971, Professor Hamanaka served for the Ministry of Environment, playing an active role in the field of environmental policy, specifically in topics such as air and water quality protection. From 2001, he served as Vice-Minister for Global Environmental Affairs and contributed to intergovernmental negotiations in areas including the Kyoto Protocol and its implementing rules. He retired from the Ministry in 2004 and, in the same year, began teaching as a professor at Keio University, Faculty of Environment and Information Studies. He has served as the Chair of ICLEI Japan Office since July 2005. He served as the Chair of the Institute of Global Environmental Strategies Board of Directors from April 2007 to June 2017, and serves as Special Research Advisor since July 2017. Professor Hamanaka received a B.A. in Engineering from the University of Tokyo in 1967.

Director: Takashi Otsuka

Before joining ICLEI as the Director of ICLEI Japan Office in April 2015, Takashi Otsuka served as Deputy Director at the Institute for Global Environmental Strategies (IGES), and has been responsible for the overall planning and coordination of IGES’s research and strategic operations. He started his professional career with IGES in 1999 by leading several multi-country comparative research projects focusing on environmental awareness and behavior. From 2004 to 2006, he spent two years at UNEP headquarters in Nairobi as Task Manager for developing/managing GEF projects focusing on Asia and Pacific region.