She worked for Ministry of Public Health, Thailand in Division of Epidemiology, as a Disease Control Officer for 14 years. She became professor at Faculty of Nursing, Chiang Mai University since 1992.
She was a past president of Nursing Association for Prevention and Control of Infections (NAPCI), consultant in Infection Control of many hospitals in Thailand, Society of Central Sterile Supply Department (CSSD) of Thailand. She was a guest speaker in Prevention and Control of Hospital-Associated Infections throughout Thailand for >700 times.
She was an editorial board of Ministry of Public Health guidelines: Guidelines for Developing Provincial Surveillance Network, Guidelines for HIV Sentinel Surveillance in Thailand, Guidelines for AIDS and HIV infection definition and Guideline for definition and surveillance of nosocomial infections; an editorial council member of The International Journal of Infection Control (IJIC) of the International Federation of Infection Control (IFIC) and Editorial Advisory Board of the Clinical Governance: An International Journal.
She wrote many books in Infection Prevention and Control.