| U.K. Constitutional Law Association | Feb 2013 – 2014 | Hong Kong Correspondent | | | Jul 2014 - present | Member | | |
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| U.S. CPA | 01/2009-12/2009 | certified public accountant | | |
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| U.S. Green Building Council | 04/2016-present | LEED AP Building Design + Construction | | |
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| U.S. National Institute of Building Sciences | |
| U21 Deans & Directors of Graduate Studies | from 12/2011 | Member representing HKU | | |
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| U21 Health Science Group | |
| U21 Health Sciences Group | 2014 - now | HKU representative | | |
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| U21 Researcher Engagement Cluster Steering Committee | |
| UChicago-HKU Symposium - Innovation of head and neck surgery through collaboration between surgeons and engineers | |
| UGC "Centre for Genomic Studies on Plant-Environment Interaction for Sustainable Agriculture and Food Security" AoE/M-403/16 | |
| UGC Plant and Agricultural Biotechnology Area of Excellence | |
| UGC Plant and Fungal Biotechnology Area of Excellence | |
| UGC “Centre for Organelle Biogenesis and Function” Area of Excellence AoE/M-05/12 | |
| UICC Fellowship Selection Committee, International Union Against Cancer | |
| UICC TNM Expert Advisory Panel on Gynaecologic Cancer | 2001-2004, 2004-2007, 2007-2010, 2010-2012, 2012-present | | | |
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| UK Academy for Sustainable Communities | 2006 - 2008 | Member, Research Advisory Group | | |
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| UK Association for Buddhist Studies | |
| UK Engineering Council | Since 2008 | Chartered Engineer | | Dr Lee Lee Wing Fai |
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| UK Faculty of Public Health | 07/2006 | Fellow | | | 07/1996-06/2006 | Honorary member | | |
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| UK General Medical Council | |
