Univ.:Tsukuba Univ. social planning BS
Grad Univ.:Keio Univ MBA and Chicago Univ MBA as an exchange student.
1997-2000:Sakura Bank (formerly Sumitomo Mitsui Banking corporation)
2002-2007:Mitsui Co.,LTD (Senior Advisor)
2007- :WR Hambrecht Japan & Co. (Board of Director)
2008- :Monex Hambrecht.,Inc (Board of Director)