1981; Pharmaceutical Research Center, Kanebo Ltd.
1993; Ph.D in Pharmaceutical Sciences, Okayama University, Japan
1995-1996; Visiting Scientist, Northeastern University, USA
1998: Head of Analytical Group, Pharmaceutical Research Center, Kanebo Ltd.
1999; Expert Scientist, Pharmaceutical Development Department, Nihon Organon, Japan
2001; Staff Manager, CMC Development Department, Nihon Schering K.K. Japan
2004; Head of CMC Development Department
2007: Head of CMC, Bayer Yakuhin Ltd. Japan
2019: Senior Regulatory CMC Adviser