- June 2000-May 2001 Rotating internship, Nakornping Hospital, Chiang Mai , Thailand
- June 2001-May 2002 General medicine practice, Chaiprakan Hospital, Chiang Mai, Thailand
- June 2002-May 2003 General Medicine practice, Doisaket Hospital, Chiang Mai, Thailand
- June 2003-May 2006 Pediatric resident
- Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Thailand
- June 2006-May 2008 Pediatric gastroenterology and hepatology fellow
- Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Thailand
- October 2007-present Instructor in Pediatrics
- Division of gastroenterology and hepatology, Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Thailand