After graduating from Tokyo University, Takejiro Sueyoshi joined the Mitsubishi Bank (the Bank of Tokyo-Mitsubishi UFJ) in 1967 and worked for the bank until 1998.

He is Special Advisor to UNEP FI in the Asia Pacific region. During his years with Nikko Asset Management as Deputy President, he was appointed as a member of the UNEP FI Steering Committee.

In addition to the involvement in the UNEP FI activities, he is giving many educational speeches about environmental problems and CSR/SRI in various government councils, seminars, universities and schools.

He is advisors to mayors of local governments and outside directors of corporations in Japan. He is a member of the Central Committee on Environmental Plan for Ministry of the Environment. He is a Trustee member of CDP (Carbon Disclosure Project). He is CEO of Green Finance Organization Japan (Green Fund) since May 2013.

He was a member of the Council for Japan`s Prime Ministers (Mr. Fukuda and Mr. Aso) on Climate Change Policy.