Gabriel Leung is known for his commitment to improving human capabilities, nurturing impactful innovation and building strong institutions. He is Executive Director (Charities and Community) of The Hong Kong Jockey Club overseeing its Charities Trust, while serving as a governor of The Wellcome Trust – both of which are amongst the largest and most impactful philanthropies globally. Gabriel’s career has straddled academe, public service and philanthropy. From 2013 to 2022, he was the longest-serving Dean of Medicine and inaugural Helen and Francis Zimmern Professor in Population Health at the University of Hong Kong (HKU). Formerly, he was Hong Kong's first Under Secretary for Food and Health and fifth Director of the Chief Executive's Office in government. Gabriel’s research defined the epidemiology of three novel viral epidemics, namely SARS in 2003, H7N9 influenza in 2013 and most recently COVID-19. In government, he led Hong Kong's response against the 2009 influenza pandemic. He was founding co-director of HKU's World Health Organization (WHO) Collaborating Centre for Infectious Disease Epidemiology and Control and established the Laboratory of Data Discovery for Health (D24H) at the Hong Kong Science and Technology Park. Gabriel is a member of the US National Academy of Medicine. He is currently serving as a member of WHO’s Strategic Advisory Group of Experts on Immunization (SAGE).