Sakata Izumi holds a Master of Arts in Architecture from Kyoto University Graduate School of Technology.
As an architect, Sakata has 30 years’ experience working under MAYEKAWA Kunio, one of the most prominent modern architects in Japan. From 1994 to 1995, he worked as a lecturer dispatched by Japan International Cooperation of Agency (JICA) in Jomo Kenyatta University of Agriculture & Technology in Kenya to teach architectural design and theory.
In 2011, Sakata established OSA Japan as President and organized OSA, Social Design Group, with Dick Olango, a Kenyan architect, and Emmanuel Mutisya, a Kenyan economist to develop projects between Japan and Kenya mainly in the fields of architecture, renewable energy and sanitation.
He is a member of the International Committee of the Japan Institute of Architects (JIA) and a lecturer of Hosei University Graduate School of Design Technology.