| The Federation of Medical Societies of Hong Kong | 01/1997 - 01/1999 | Chairman, Education Committee | | |
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| The Federation of Medical Societies of Hong Kong | 01/1995 - 01/2001 | Council Member | | |
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| The Fifth IEEE International Symposium on Embedded Computing (SEC 2008), Beijing, China | 10/2008 | Technical Program Committee Member | | |
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| The Fifth IEEE International Workshop on Wireless Mesh and Ad Hoc Networks (WiMAN 2011), Maui, Hawaii, August 2011 | 08/2011 | Technical Program Committee Member | | |
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| The fifth international conference on the Environmental Dimension of Antibiotics Resistance (EDAR5) | 2019 | Organization Committee member | | |
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| The Fifth POMS-HK International Conference Organizing Committee | 07/2013-02/2014 | Treasurer and committee member | | |
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| The Financial Review | |
| The Finnish Dental Society Apollonia | |
| The First Academic Committee of NMPA Key Laboratory for Quality Control of Blood Products, Guangdong Institute for Drug Control, National Medical Products Administration (NMPA) | 01/2020-12/2024 | Scientific Advisory Board Member | | |
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| The First CUHK-RCFS Conference on Corporate Finance and Financial Intermediation | 6/2019-6/2019 | Program Committee Member | | |
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| The First IEEE LCN Workshop on Network Measurements (WNM 2006), in conjunction with The 31st Annual IEEE Conference on Local Computer Networks (LCN 2006), Tampa, Florida, USA | 11/2006 | Technical Program Committee Member | | |
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| The First International Conference on Applied Energy, January 5-7, 2009 | | Member of Organizing Committee | | Dr Ni Ni Meng |
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| The First International Conference on Parallel and Distributed Computing, Applications and Technologies (PDCAT’2000), Hong Kong | 05/2001 | Technical Program Committee Member | | |
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| The First International Conference on Theory and Applications of Social Networks | 06/2011 | Program Committee Member | | |
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| The First International Workshop on Embedded Software Optimization (ESO 2006), In conjunction with The 2006 International Conference on Embedded and Ubiquitous Computing (EUC 2006), Seoul, Korea | 08/2006 | Technical Program Committee Member | | |
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| The First Medical School, West China University of Medical Sciences, Chengdu, Sichuan, China | 12/1997-present | honorary director | | |
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| The First Session of Chronobio-Medical Standing Committee, Association of Integrative Traditional Chinese Medicine and Western Medicine of China | |
| The First Workshop on Parallel and Distributed Computing for Multimedia, The 2006 International Conference on Parallel Processing (ICPP-2006), Columbus, Ohio, USA | 08/2006 | Technical Program Committee Member | | |
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| The Fourth World Construction Symposium (WCS) 2015, Colombo, Sri Lanka, 12-14 June 2015 | 06/2015 | Scientific Committee | | |
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| The French Economic Association | 03/2017-03/2019 | Membership | | Dr Zhao Zhao Zhejin |
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