- 1992-1996 Assistant Professor of Anatomical Pathology ; Department of Pathology, Faculty of Medicine, Khon Kaen University, Khonkaen, Thailand
- 1997 Head of Skin Therapeutic unit ; Department of Communicable disease Control , Khonkaen Thailand
- 1998-1999 Department of Communicable disease control (skin unit) Chiangmai Thailand
- 2000-2003 Central M.D. Clinic , Chiangmai Thailand
- 2004-present Specialty Clinic - Skin , Chiangmai Ram Hospital