1992 Bürogründung durch Yoshiharu Tsukamoto und Momoyo Kaijima in Tokyo

Yoshiharu Tsukamoto (* 1965)
1987 Graduate from Tokyo Institute of Technology
1987 – 1988 Guest Student of L'ecole d'architecture, Paris, Bellville (U.P.8)
1994 Graduate from Post-graduate school of Tokyo Institute of Technology
Associate professor of Tokyo Institute of Technology, Dr.Eng.
2003 Visiting Professors in Harvard GSD

Momoyo Kaijima (* 1969)
1991 Graduate from Japan Women's University
1994 Graduate from Graduate school of Tokyo Institute of Technology
1996 – 1997 Guest student of E.T.H
1999 Graduate from Post-graduate school of Tokyo Institute of Technology, Assistant professor of Tsukuba University, M.Eng.
2003 Visiting Professors in Harvard GSD
2005 – 2007 ETHZ Guest Professor