| Dental Young Fellow Chapter Committee, The College of Dental Surgeons of Hong Kong | 01/2021-01/2023 | Vice-chairlady & Committee Member | | Dr Cheung Cheung Amelia Wan Tin |
|
| Dentistry - Open Journal | 10/2014-present | Editorial Board Member | | |
|
| Dentsply Academy | 01/2006-current | Dentsply Advisory Board Committee | | |
|
| DEP, HKPS | 05/2019 -present | Member of CE subcom | | Dr Keung Keung Yuen Ching Alice |
|
| DEP, Hong Kong Psychological Society | 08/2017-present | Registered Educational Psychologist | | Ms Chak Chak Guinevere Sophia |
|
| Department Executive Committee | 2000 - present | Member | | Dr Ooi Ooi Clara Gaik Cheng |
|
| Department of Building and Real Estate, Hong Kong Polytechnic University | |
| Department of Chinese Literature, Chu Hai College of Higher Education, 2016-2018. | |
| Department of Education, New York State | 09/2002-Present | Bilingual (Cantonese & Mandarin) extension to teacher's certificate | | | 09/2002-Present | Certified teacher for speech and hearing handicapped | | |
|
| Department of Education, State of New York | 06/2016- | Registered Landscape Architect | | |
|
| Department of Education, The College of Surgeons of Hong Kong | |
| Department of Engineering and Material Sciences, National Natural Science Foundation of China | 2001 - 2002 | Member of the Evaluation Panel | | | 2001 - 2002 | Member of the Evaluation Panel | | Mr Chu Chu Alan Chih Hui |
|
| Department of Engineering, Hong Kong Institute of Vocational Education (Lee Wai Lee) | 03/2016-12/2017 | External examiner | | |
|
| Department of Geography HKU | Since 2000 | Examiner, Board of Examiners, M.A. in Trasnport Policy and Planning | | |
|
| Department of Health | 02/2017 – To Date | Member of the Advisory Group for Antibiotic Stewardship in Primary Care Settings in Hong Kong | | | 09/2016 - To Date | Member of the Advisory Group on Hong Kong Reference Framework for Preventive Care for Older Adults in Primary Care Settings | | | | Educational Psychologist in Accredited Register | | Ms Li Li Wing Sze Rachelle |
|
| Department of Health ( DH ) of the Macau Special Administrative Region | 03/2005 | External Examiner in Internal Medicine | | |
|
| Department of Health and Human Services, Federalwide Assurance of Protection for Human Subjects | April 2002 - Present | Signatory Official for the Faculty of Medicine | | |
|
| department of health technology and informatics, The Hong Kong Polytechnic University | |
| Department of Health technology and Informatics, The Hong Kong Polytechnic University | Apr 2015-Mar 2018 | Honorary Professorship | | |
|
| Department of Health, Government of HKSAR | 2003-2008 | Academic supervisor of higher trainees | | |
|
