- Health Level Seven Singapore (HL7 SG), Singapore
▪️ Chairperson, Sep 2012 – Present
▪️ Vice-Chairperson, Aug 2011 – Sep 2012
▪️ Treasurer, Sep 2010 – Aug 2011
▪️ Lead – Education Sub-Committee, Aug 2011 – Present
▪️ Lead – Communications Sub-Committee, Sep 2010 – Aug 2011
- Health Level Seven Asia (HL7 Asia), Asia Pacific
▪️ Executive Council Member, Jul 2013 – Present
- HL7 Korea-Singapore Research & Innovation Alliance (HKSRIA), Korea
▪️ Founding Co-Chair, Nov 2017 till Present
- Health Level Seven (HL7), International
▪️ International Council Member, Sep 2012 – Present
- Association of Medical and Bioinformatics Singapore (AMBIS), Singapore
▪️ President, Apr 2016 – Dec 2019
▪️ Vice-President, Aug 2013 – Apr 2016
▪️ Executive Council Member, May 2010 – Aug 2013
- Asia Pacific Association of Medical Informatics (APAMI), Asia Pacific
▪️ National Representative (Singapore), Jan 2016 – Present
- International Medical Informatics Association (IMIA), International
▪️ Financial Review Committee, Nov 2022 – Present
▪️ National Representative (Singapore), Jan 2016 – Present
- Healthcare Information and Management Systems Society (HIMSS), USA
▪️ Global Health Conference Education Committee (GHCEC), Jan 2023 – Present
▪️ Advisor, CPHIMS Technical Committee, Jul 2011 – Jul 2013
- Ministry of Health (MOH), Malaysia
▪️ Founding Member, Special Committee for Hospital Information System Benchmarking, Mar 2011 – Mar 2018
- MOH Office for Healthcare Transformation (MOHT), Singapore
▪️ Fellow, Mar 2021 to Present
- World Health Organization (WHO), Switzerland
▪️ Expert, Roster of Experts (Digital Health), Sep 2019 to Present
- Singapore Standards Council, Singapore
(part of Enterprise Singapore, a statutory board under the Ministry of Trade and Industry of the Government of Singapore)
▪️ Chairman, Technical Committee for Health Informatics, Feb 2021- Present
▪️ Delegation Member to ISO TC215, Nov 2010 – Feb 2021
▪️ Founding Committee member, Health Informatics Technical Committee, Nov 2010 – Feb 2021
- Telehealth and Medicine Today (THMT), USA
▪️ Regional Editor (Asia), Apr 2022 – Present
- Singapore Computer Society (SCS), Singapore
▪️ Executive Committee Member, Project Management Chapter, Jul 2015 – June 2018
- Serious Games Asia, Singapore
▪️ Vice-President (Healthcare), June 2016 – June 2017
- mHealth Expert Learning Program (mHELP), USA
(an entity spin-off from mHealth Alliance, a UN Initiative)
▪️ Expert Consultant, Jul 2014 – Jul 2020
BinaryHealthCare (BNHC) 