Board & Faculty Member
World Green Building Council
Environmental & Information Studies
Musashi Institute of Technology, Tokyo

Architect, AIJ/JIA/UIA, IWAMUARA Atelier Co.,Ltd., Tokyo
Professor at the Faculty of Environmental & Information Studies, Musashi Institute of Technology, Yokohama

Union Internationale des Architectes (UIA)
Council Member, representing the Region IV (2002-2008)
Co-director of Work Programme “Sustainable Architecture

World Green Building Council (WGBC)
Member of the Board of Directors (2007)

Japan Institute of Architects (JIA)
Vice-President (2005-2006), Councilor (2002-2006)
Chair of the Committee of International Affairs (2002-2006)
Committee of Environmental Actions, and International Affairs

Architectural Institute of Japan (AIJ)
Council member (2006-2008)
Committee of Global Environment, and Sustainable Building

Association for Environmentally Symbiotic Housing
General Technical Consultant

Japan Society of Urban and Regional Planners
Urban Housing Society”
Association for Nature Restoration and Conservation, Japan
Institute of Housing Urban Technology (IHUT)”
Council member (2002-present)