- Internship -Chulalongkorn University Hospital,1971.
- Residency -Ramathibodi University Hospital,Internal Medicine,1971
- Internship -St.Joeph Hospital, Chicago,IL.,Major Pediatrics. ,1972.
- Residency -Illinois Masonic Medical Center,
- Residency -Northwestern University Medical Center,
- Physician, University Health Service,
Northern Illinois University,IL.,January 1999 - December 2004.
- Physician - Glen Ellyn Clinic Urgent Care Department ,
Glen Elly,IL.,July 1995-September 1998.
- Physician - Rush Prudential Health Care Plan,Oakbrook,IL.,
August 1993-June 1995.
- Active Staff,Hinsdale Hospital,Hinsdale,IL.,
Family Practice,September 1993-October 1995.
- Clinical Director -Human Health Care,Yorktown and Naperville Centers,
Downers Grove/Naperville,IL.,April 1992-July 1993.
- Physician - Human Health Care,Orland Park Center,
Orland Park,IL. January 1992-April 1992.
- Active Staff - Good Samaritan Hospital,Downers Grove,IL.,
Family Practice ,July 1992- July 1994.
- Courtesy Staff - Edward Hospital,Naperville,IL.,
Family Practice,July 1992- July 1994.
- Active Staff - Franciscan Medical Center ,Rock Island,IL.,
Emergency Medicine and Family Practice,October 1975 - December 1991.
- Courtesy Staff - United Medical Center ,Moline,IL.
Family Practice ,October 1975 - December 1991.
- Physician- Women's Health Care Center,Moline,IL.
January 1991 - December 1991.
- Private Practice - Family Pracice,gynecology with OB-GYN Partner,
Rock Island,IL. October 1975 - December 1990.