KOJI TSUTSUI & ASSOCIATES

KOJI TSUTSUI & ASSOCIATES

About

Profile

Koji Tsutsui portrait
KOJI TSUTSUI
Koji Tsutsui founded Koji Tsutsui & Associates in 2004, with offices in Tokyo and California. After working at Tadao Ando Architect & Associates in Japan, he continued his studies at the Bartlett School of Architecture, University College London. He later worked at Mark Cavagnero Associates in San Francisco from 2007 to 2010. This experience became the starting point for his long-term connection with the United States. Through these international experiences, the practice develops architecture that connects landscape, community, and culture across Japan and the United States.
Education
University of Tokyo / Bartlett School of Architecture, University College London
Practice
Tadao Ando Architect & Associates / Mark Cavagnero Associates / Koji Tsutsui & Associates
Academic
UC Berkeley Visiting Associate Professor
Recognition
World Architecture Festival, Winner / Architectural Record Design Vanguard / Architectural League Prize
News

Current notes

2025 - Villa in Karuizawa completed
2024 - Villa in Palo Alto completed
2020 - Denkosha Headquarter completed
Ongoing - San Francisco residential project
Project Archive

Project categories

Category

Residential

  • Villa in Karuizawa
  • Villa in Palo Alto
  • InBetween House
  • Mill Valley House
  • Industrial Designer House
  • Bent House
  • Yutenji House
  • Extended Engawa House
  • Noh House
  • Case Study Biotope Housing
Category

Commercial

  • Denkosha Headquarter
  • WiL
  • Kado no Mise & Kaiseki Furukawa
  • CVC
  • Bar Clan
  • Abeno Too
Category

International

  • Mill Valley House
  • School & Home for HIV Orphans
  • Mission in Haiti
  • San Francisco Residential Project (ongoing)
Category

Research / Concept

  • Case Study Biotope Housing
  • Relief Projects
  • Haiti Concepts