Internal Medicine and Nephrologists, Bumrungrad hospital,2004-2020.
Internal Medicine and Nephrologists And, Director of The Dialysis Center, 2000-2003.
Assistant professor Department of Internal Medicine, 2000-2003.
Fellowship - Nephrology University of Texas Southwestern Medical Center, Dallas, TX, USA, 2000
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Chief Resident - Internal Medicine Texas Tech University Health Sciences Center, Lubbock, TX, USA, 1997.
Residency - Internal Medicine Texas Tech University Health Sciences Center, Lubbock, TX, USA, 1996.
Thai Board of Nephrology, Thailand, 2005.
American Board of Nephrology, American, 1999.
American Board of Internal Medicine, American, 1996.
Thai Board of Internal Medicine, Thailand,1992.