Koji Tsutsui worked under Tadao Ando on projects such as housings for the Great Hanshin Earthquake, museums and schools. After leaving Tadao Ando’s office, he establishes Koji Tsutsui Architect & Associates and opens Tokyo office in 2004 and San Francisco office in 2010. He has been designing numerous projects around the world while observing economic and architectural developments in multiple countries. He adopts local cultures and building technologies into his design to create a new generation of lasting sustainable architecture. His notable projects include: School & Home for HIV Orphans in Uganda, Haiti Monastery, Industrial Designer House, InBetween House and Case Study Biotope Housing. Currently, he is making proposals for 2011 Tohoku Earthquake Relief Projects in Japan.
While receiving numerous awards and publications over the years, his office was selected as one of the top emerging architecture offices in the world by Architectural Record Design Vanguard in 2011. Also in the same year, InBetween House received awards & recognitions such as the Villa Category Winner in World Architecture Festival 2011, Architectural Record - Record House 2011 and AR House Awards 2011.