2007-present | Fellow | Royal College of Paediatrics and Child Health, UK |
2011-present | Member | Co-ordainating Committee of Hospital Authority Doctors & Members of the Children's Cancer Foundation |
2006-present | Fellow | Royal College of Physicians of Edinburgh, UK |
2008-present | International Associate Member | Children’s Oncology Group, USA |
05/2009-present | Council Member | Hong Kong Paediatric Haematology and Oncology Study Group |
05/2007-05/2009 | Chairman | Hong Kong Paediatric Haematology and Oncology Study Group |
05/2005-05/2007 | Secretary | Hong Kong Paediatric Haematology and Oncology Study Group |
05/2002-05/2005 | Secretary of Scientific Committee | Hong Kong Paediatric Haematology and Oncology Study Group |
07/1999-present | Active Member | Amercian Association for Cancer Research |
1996-present | Member | International Association for Research on Epstein-Barr Virus and Associated Diseases |
1999-present | Member | Hong Kong Society for Haematology |
1995-present | Member | American Association for the Advancement of Science |
2006-present | Corresponding Member | Childhood Cancer and Leukaemia Group (CCLG), UK |
2008-present | Reviewer | Journal of Clinical and Experimental Immunology |
2010 | Member | Editorial Board, ISRN Hematology |
2008-present | Reviewer | Immunology |
2008-present | Member | Editorial Board of Asia-Pacific Journal of Oncology & Hematology |
12/2000-present | Fellow | Hong Kong Academy of Medicine |
2001-present | Member | Hong Kong Society for Immunology |
1999-present | Member | Hong Kong Paediatric Society |
2002-present | Accreditated College Trainer of Paediatric Clinical Trainees and Fellows | Hong Kong College of Paediatricians |
12/2000-present | Fellow | Hong Kong College of Paediatricians |
2007-present | Member | International Society of Paediatric Oncology (SIOP) |
12/1999-present | Corresponding member | American Society of Hematology |
2015–2016 | Council Member | Sir Edward Youde Memorial Fellowships and Scholarships |
2021-present | Chairperson of Provisional Board of the Sub-specialty of Paediatric Haematology and Oncology | HK College of Paediatricians |
2019-2021 | Vice-chairman | VIVA Asia Brain & Solid Tumor Working Group |
2017-2021 | Chairman, Scientific Committee | Hong Kong Paediatric Haematology and Oncology Study Group |
2016-present | Panel Member | (CMDA), Hematology and Oncology subspecialty, lymphoma group |
2017-present | Member | International Paediatric Nasopharyngeal Carcinoma Workgroup |