| Royal College of Radiologists | 1993-now | Fellow | | | 10/1995-present | Member | | | | Fellow | | |
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| Royal College of Speech and Language Therapists | 09/1995-present | Full Member | | |
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| Royal College of Speech-Language Therapists | 08/1998-now | Overseas Practising Member | | Mrs Kwan Chen Kwan Chen Lorinda Li Ying |
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| Royal College of Surgeons of Edinburgh | 1974 - Present | Fellow | | | 2001-2006 | Honorary fellow | | | | Examiner, Membership in Restorative Dentistry | | | 1981 - present | Fellow | | | 1990- | Fellow | | Dr Ho Ho Wai Kuen | 1992 - present | Fellow | | | 07/2008 - now | Fellow | | | 07/2006-12/2018 | Fellow | | | 11/2021-present | Member | | |
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| Royal College of Surgeons of Edinburgh (RCS Edin) | Since 10/1996 | Fellow ad hominem | | |
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| Royal College of Surgeons of Edinburgh/the College of Dental Surgeons of Hong Kong Conjoint Membership in Restorative Dentistry (Periodontology) Examination [MRD RCS (Edin) and FCDSHK (Intermediate) Examination in Restorative Dentistry] | |
| Royal College of Surgeons of Edingburgh | |
| Royal College of Surgeons of England | 1991 - | Fellow | | | 2023-2024 | Member, Specialist Advisor Panel for Trauma and Orthopaedic Surgery Update | | |
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| Royal College of Surgeons of Ireland | |
| Royal College of Surgeons, Edinburgh | |
| Royal College Surgeons of Edinburgh | July 1st, 2016 onwards | Fellowship | | |
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| Royal Colleges of Physicians of Lond & Edin and Royal College of Physicians and Surgeons of Glasg | |
| Royal Economic Society | 02/2014/02/2015 | Member | | | 01/2018 - present | Member | | |
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| Royal Engineering Council | 03/2002 - present | Chartered Engineer | | |
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| Royal Geographical Society (UK) | |
| Royal Geographical Society, UK | since 1987, 1992 | member, Fellow | | |
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| Royal Historical Society (London) | |
| Royal Institute of Architects | |
| Royal Institute of British Architects | 6/2017-Present | Full Member | | |
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| Royal Institute of Chartered Surveyors | 09/2015 - present | Associate Member | | Ms Yau Yau Wai Yu Anna |
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