Dr Warittha Tieosapjaroen

Nittha or Warittha Tieosapjaroen is a Research Fellow at Melbourne Sexual Health Centre, Alfred Health, The School of Translational Medicine, Faculty of Medicine, Nursing and Health Sciences, Monash University, and a Visiting Fellow at the Kirby Institute, University of New South Wales. She was previously a Pharm.D. clinical pharmacist in Thailand, and she holds a Master of Biotechnology.

By incorporating her clinical background as a Pharm.D. clinical pharmacist in Thailand with the translational and clinical research skills gained during her Masters and PhD at Monash University, she has developed a deep understanding of patient care and the health system. This ensures that her work directly applies to real-world settings, enhancing its impact on clinical outcomes and policy. As a result, her research contributed to five World Health Organisation (WHO) guidelines, a Joint United Nations Programme on HIV/AIDS (UNAIDS) report and the 2023 Australian HIV Task Force Report, which have had a significant impact on reducing HIV transmission nationally and internationally.

Warittha is an emerging expert in innovative methods, including health preference research (discrete choice experiments), social innovation, mixed-methods research, and clinical trials. She is passionate about translating evidence into practical, people-centred health services that reduce inequities and support Australia’s goal of ending HIV transmission. She has led and contributed to co-designed interventions to improve PrEP awareness, uptake and access among migrant communities in Australia.

Warittha also serves as the Project Manager of HOPE Project (ending HIV transmission by Optimising PrEP; HOPE-endHIV.com), collaborating with regional leaders from ten countries to drive the elimination of HIV transmission in Australia, East and Southeast Asia. HOPE Project trains the next generation of research leaders in the Asia-Pacific region and connects them with senior researchers, providing them with opportunities for career development. 

Warittha also contributes to research communication and knowledge translation. She is Social Media Editor for Melbourne Sexual Health Centre and Sexual Health journal, and is responsible for social media for the International Union Against Sexually Transmitted Infections Congress. In these roles, she promotes sexual health research, increases engagement with clinicians, researchers and policymakers, and supports wider dissemination of research beyond academic publications.