Bachelor, Tokyo University Education, 1978. Master of Arts, Sarah Lawrence College, 1985.
Part-time lecturer Sagami Women's University, Sagamihara, Japan, 1988—1998, Nihon Women's University, Ikuta, Japan, 1997—1998, Tohoku University Graduate School, Sendai, Japan, 1998—2001. Lecturer Iwate Prefectural University, Takizawa, Japan, 1998—2001, associate professor Japan, 2001—2005. Lecturer Iwate University, Morioka, Japan, 2002—2005.
Visiting scholar Columbia University, 2005—2006. Part-time lecturer Musashi University, since 2007, Tokyo University Foreign Studies, since 2008.
Committee member Elevation of Status of Women of Kawasaki City, Japan, 1996—1998. Member Asian Women's Association Network, Tokyo, 1992—2004. Member of American History Association Japan, Gender History Association Japan, Japanese Association University Women, American Studies Association Japan (representative division American women's history and gender 1998—2005, representative division American gender since 2007), Women's Studies Association Japan (election committee 1995-1996).