2010/04 - - Special course of length of the nationwide social welfare conference whole country child care conference day-care center management committee
2009/06 - - Vice-chairman of Japan child care society
2008/04 - 2009/03 The nationwide social welfare conference whole country child care conference special committee
2007/05 - 2008/03 Paper referee of Ministry of Education, Culture, Sports, Science and Technology trait GP
2006/01 - - Vice-chairman of OMEP Japanese committee
2000/01 - 2005/12 Secretary-general of OMEP Japanese committee
2002/01 - 2005/03 Special committee of nursery teacher of Saitama Prefecture
2004/06 - - Councilor of social welfare corporate brothers covering woman league
2004/04 - - Member of Japan education method society
2002/05 - 2003/03 Saitama Prefecture Kitakatsushika-gun cedar door town unification of kindergartens and nursery schools management basis plan decision specialty committee
1999/01 - 2001/03 Committee of Saitama Prefecture Kitakatsushika-gun cedar door established by the town kindergarten management council
1994/01 - 1999/12 Director of OMEP Japanise commitee
1988/04 - 1997/03 Member of Tokyo Tama City the board of education