Professor Lim Poh Lian is a Senior Consultant Infectious Diseases Physician at the National Centre for Infectious Diseases and Tan Tock Seng Hospital. She served as Head of the Department of Infectious Disease (2012-2016), Director of NCID High Level Isolation Unit (2017-2025) and Head of Travel Health and Vaccination Clinic at TTSH.

Prof Lim received her BA in Biochemistry from Harvard, MD from Columbia, and MPH from Tulane. She did internal medicine (IM) residency at Harvard's Beth Israel Hospital, and ID fellowship in New Orleans. She holds US Board certification in IM and ID, ASTMH and ISTM certificates in tropical and travel medicine, and SAB certification as a specialist in ID, IM, and public health in Singapore.

Prof Lim is a Senior Consultant at MOH and chairs the National Antimicrobial Resistance Control Committee (NARCC) as well as the national ID specialist training committee. She also serves on MOH and SAF Expert Committees on Immunisation, Ministry of Defence SAB in ID, and other national committees.

Prof Lim is Chair of the Technical Advisory Group for WHO's Health Security Interface for biothreat preparedness. She was active on WHO's Global Outbreak Alert and Response Network (GOARN) Steering Committee for over a decade, serving on the Advisory Group on Reform of WHO's Work (2015-2016), and was appointed to the UN Secretary General's Global Health Crises Taskforce (2016-2017).

Prof Lim was the LKC School of Medicine Lead for Infectious Diseases (2010-2020). She also holds academic appointments at NUS Schools of Medicine & Public Health. Research experience includes a decade as site principal investigator for HIV clinical trials (Esprit, Artemis, Second-Line, Treat Asia/TAHOD), as GeoSentinel site director for Singapore, and over 100 publications including in the New England Journal of Medicine and Lancet.

For her frontline work during SARS, she was honoured with the National Day Commendation Medal and Courage Star Award. Other recent honours: Minister for Health Award (2018), Nanyang Education Award-Schools (2019), Healthcare for Humanity Award (2020).