Gabriel Leung is Dean of the Li Ka Shing Faculty of Medicine at the University of Hong Kong. He is also Chair Professor in the School of Public Health and honorary consultant in family medicine and primary care. Previously he was Head of the Department of Community Medicine. Gabriel Leung served in government as Hong Kong’s first Under Secretary for Food and Health and fifth Director of the Chief Executive's Office. He regularly advises various national and international agencies including the World Health Organization, World Bank and the Chinese Center for Disease Control and Prevention.