His arbitration appointments (present and past) include being:-

• Vice-Chairman of the International Court of Arbitration of the International Chamber of Commerce ("ICC") and Co-Chair of ICC Asia;
• a member of the ICC Commission on Arbitration;
• a Vice-Chair of the Arbitration Committee D of the International Bar Association ("IBA");
• a Vice-President of the International Council for Commercial Arbitration ("ICCA");
• a Court member of the London Council of International Arbitration ("LCIA");
• a Council member of the International Council of Arbitration for Sports ("ICAS");
• a Chartered Arbitrator;
• a Fellow of the Chartered Institute of Arbitrators;
• a Fellow of the Singapore Institute of Arbitrators;
• a Fellow of the Australian Centre for International Commercial Arbitration;
• an accredited arbitrator of :-
• (i) Singapore International Arbitration Centre ("SIAC");
• (ii) Mauritius Chamber of Commerce and Industry ("MCCI");
• (iii) Hong Kong International Arbitration Centre ("HKIAC");
• (iv) British Columbia International Commercial Arbitration Centre ("BCICAC");
• (v) Indonesian National Board of Arbitration ("BANI");
• (vi) International Centre for Alternate Dispute Resolution, India ("ICADR");
• (vii) Indian Council of Arbitration ("ICA");
• (viii) London Court of International Arbitration ("LCIA");
• (ix) China International Economic and Trade Arbitration Commission ("CIETAC");
• (x) Beijing Arbitration Commission ("BAC");
• (xi) American Arbitration Association ("AAA");
• (xii) Permanent Court of Arbitration ("PCA");
• (xiii) International Centre for Settlement of Investment Disputes ("ICSID");
• (xiv) Japan Commercial Arbitration Association ("JCAA");
• (xv) Korea Commercial Arbitration Board ("KCAB");
• (xvi) Regional Arbitration Centre of Kuala Lumpur ("KLRAC");
• (xvii) Kazakhstan International Arbitrage ("KIA");
• (xviii) Arbitration Institute of the Stockholm Chamber of Commerce ("SCC");
• (xix) Thai Arbitration Centre ("THAC")
• (xx) HKIAC Domain Name Dispute Resolution Panel;
• (xxi) World Intellectual Property Organization Domain Name Administrative Panel ("WIPO");
• (xxii) SIAC- Singapore Exchange Derivatives Trading Ltd Panel of Arbitrators;
• (xxiii) Singapore Institute of Arbitrators;
• (xxiv) Asia Pacific Regional Arbitration Group ("APRAG");
• (xxv) Australian Centre for International Commercial Arbitration ("ACICA")
• a member of the Executive Committee of the Institute of Transnational Arbitration ("ITA") Dallas;
• Member, Editorial Board, "Global Arbitration Review";
• Associate Editor "Transnational Dispute Management";
• Member, Panel of Conciliators, International Centre for Settlement of Investment Disputes ("ICSID");
• Member, IBA Working Party on Guidelines on Conflicts of Interest in International Arbitration;
• Council Member, Singapore Institute of Arbitrators;
• Member, Advisory Board "Journal of International Arbitration";
• Member, Editorial Board "Investment Online";
• a trustee of the Dubai International Arbitration Centre ("DIAC");
• a member of the HKIAC Court of Arbitration;
• an accredited mediator and evaluator of the Singapore Mediation Centre ("SMC");
• a member of the Advisory Council and Users Council of the SIAC;
• a member of the Advisory Council of the HKIAC
• a member of the Board of Advisors of ACICA
• a member of the Asian Advisory Council of the American Arbitration Association ("AAA");
• the Singapore correspondent for the Kluwer Arbitration Website;
• Member, Advisory Board of the Faculty of Law, Singapore Management University
• an Editorial Adviser to the Chinese Arbitration Association ("CAA") Journal of Arbitration, Taipei;
• Member of the Advisory Board of the "Yearbook on International Investment Law and Policy" (New York)
• a member of the Advisory Board of the "Journal of Arab Arbitration"
• Member of the Advisory Board of "NALSAR-ICADRADR Law Review" (India)