I tend to think Gabriel Leung ‘knows his shit’:
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Gabriel Matthew Leung, a clinician and a public health authority, is Dean of the Li Ka Shing Faculty of Medicine of the University of Hong Kong (HKU). Leung concurrently holds the Chair of Public Health Medicine at HKU.
He is an elected member of the US National Academy of Medicine and was awarded the Gold Bauhinia Star (second highest civilian honour) by the Hong Kong government for distinguished service in protecting and promoting population health.
Leung’s career combines academic research, teaching, government service and global engagement. He joined the HKU medical faculty in 1999 and was promoted to full professor in 2006. In 2008 Leung joined the HKSAR government, serving as Under Secretary for Food and Health until 2011 and then Director of Office of the Chief Executive until mid-2012. He was appointed Dean of Medicine in 2013. Prior to that Leung was Professor and Head of Community Medicine at HKU. Debrett’s Hong Kong 100 lists Leung as one of the 100 most influential people in Hong Kong. Leung is one of Asia’s leading epidemiologists.** He regularly advises national and international agencies including the World Health Organization, World Bank, Asian Development Bank and the Chinese Center for Disease Control and Prevention**.
Education:
Leung studied at Wah Yan College in Hong Kong, later at Stonyhurst College in the United Kingdom and Crescent School in Canada. He read medicine at Western Ontario and completed family medicine residency training in Toronto. Leung received his master’s from Harvard University in 1999 and was Takemi Fellow there in 2005. He earned his higher doctorate by research only from HKU.
*Info pulled from Wikepedia