Professor Leo Yee Sin, MD

Professor Leo Yee Sin currently holds multiple portfolios including as Senior Advisor at National Centre for Infectious Diseases and National Healthcare Group, and Professor (faculty) to both National University Singapore and Nanyang Technological University Singapore, and Clinical Professor at the Yong Loo Ling School of Medicine, National University Singapore. Professor Leo holds dual specialist accreditations as an adult infectious disease physician and public health. She is the inaugural Executive Director of Singapore's National Centre for Infectious Diseases (NCID) from 2017 to 2023. During her tenure, she established NCID as an innovative institution integrating clinical care, public health, research, training, and community outreach. She led teams through multiple outbreaks in Singapore, notably from Nipah virus in 1999, arboviruses outbreaks and 3 pandemics including SARS-2003, pH1N1 in 2009 and COVID-19 in 2020-2022. She published over 400 peer-reviewed scientific papers and received numerous national awards. She was recognised as the BBC 100 women in the year 2020 and was conferred the title of Knight of the French Order of the Legion of Honour in 2022. A recognized authority in her field, she chairs and serves as member in numerous committees and advisory boards in national and international bodies including World Health Organization workgroups.