1980-1986 Medical student, Osaka University School of Medicine
1986 License of medical doctor Japan (National Medical Examination Board)
1987-1991 Postgraduate, Osaka University Graduate School of Medicine (Ph.D. in dermatology)
1991 Board certified dermatologist of the Japanese Dermatological Association
1999 Board certified member of the Japanese Society of Psychosomatic Medicine
2001-2004 Director, Department of Dermatology and Allergology, Osaka National Hospital, Osaka, Japan
2004-2010 Director, Department of Dermatology, Osaka Police Hospital, Osaka, Japan
2004- Board certified trainer of the Japanese Society of Psychosomatic Medicine
2006- Guest associate professor, Osaka University Graduate School of Medicine
2008-2011 Adjunctive professor, Faculty of Human Science, Kobe College, Hyogo, Japan
2010- Director, Hashiro Clinic Dermatology and Psychosomatics
2017- President, the Japanese Society of Psychosomatic Dermatology
2022- Member of Academic Committee, the Japanese Dermatological Association
