- Head of Thai Red Cross Emerging Infectious Diseases Clinical Center (TRC EID-CC)
- Chair of Scientific Committee, Thai AIDS Society
- Acting Deputy Director of the Thai Red Cross AIDS Research Centre
- Executive Secretary of the Panel Members for the Development of Thai ARV Guidelines and Scientific Member of Thai STI Guidelines
- Member of Advisory Board of the Thai Government for The Control of COVID-19 in Thailand
- Membership of the Guideline Development Group (GDG) for the 2019 WHO Recommendations on Preferred First-line and Second-line Antiretroviral Regimens for Treating HIV infection.
- WHO Consultant on Advanced HIV Disease: Responding to Severe Bacterial Infections in the context of antimicrobial stewardship