Born in 1956, in Ibaraki Prefecture, Japan. In 1981 graduated from Japan Women's University with Masters Degree in Architecture and Joined Toyo Ito & Associates. In 1987 established Kazuyo Sejima & Associates and in 1995 established SANAA with Ryue Nishizawa. From 2001 to the present is Professor at Keio University and was Visiting Professor at Ecole Polytechnique Federale de Lausanne from 2005-2006 and Visiting Professor at Princeton University from 2005-2008. Lates project: House in a Plum Grove - 2001 to 2003 - Tokyo, Japan and Onishi Civic Center - 2003 to 2005 -Gunma, Japan.