Prof. Dr. Colin Ong KC
Managing Partner, Dr Colin Ong Legal Services; & Counsel, Eldan Law

Presiding arbitrator or arbitrator in over 180 disputes governed under mainly Civil Law but also Common Law and under major arbitration institution rules including AAA, BANI, HKIAC, ICC, LCIA, LMAA, KLRCA, SCMA, SIAC, TAI and the UNCITRAL. Dr. Ong has also been lead counsel or co-counsel in numerous arbitrations and disputes over a 25 year period. Accredited Arbitrator of over 18 national and international arbitral institutions. He was lead advocate for Perusahaan Gas Negara before the Singapore Court of Appeal in PGN v CRW [2015] SGCA 30 [leading to GAR Awards 2016 Runner-up "Most Important Reported Decision of 2015".] Counsel for PGN in an earlier arbitration that led to CRW v. PGN [2011] SGCA 33, which influenced FIDIC to release its FIDIC Guidance Memorandum in April 2014.

Dr Ong is Queen's Counsel at St Philips Stone Chambers (London); Counsel at Eldan Law LLP (Singapore) and Senior Partner at Dr Colin Ong Legal Services (Brunei). He has extensive court experience and has several important reported judgments in Brunei, England and Singapore. He is regularly instructed as lead counsel in major international commercial, construction, investment and shipping arbitrations including seats in Brunei, China, England, France, Hong Kong, India, Indonesia, Japan, Malaysia, Singapore, Thailand and the UAE.


He is and has been a Visiting Law Professor and has been teaching arbitration and advocacy at various universities including University of Hong Kong; Universitas Indonesia; King's College (London); University of Malaya; Universiti Kebangsaan Malaysia; Queen Mary (London); Padjadjaran University (Indonesia); and National University of Singapore. Has over the course of the last 13 years been teaching the Fellowship courses for both the Chartered Institute of Arbitrators and the Singapore Institute of Arbitrators.


 In Prof Dr Ong's 25 years legal experience, he spent 18 years as arbitrator in various fields including marine related matters, charter party; coal; commodities; marine insurance; offshore oil and gas projects; shipbuilding, ship sale and purchase arbitration, international trade; pipeline construction and upstream oil and gas. Financing work and arbitrator experiences for FPSO and LNG vessels; offshore construction joint ventures; and refinery projects.




Numerous conference papers and articles on shipping, international trade and energy legal issues. Author and co-author of many books on advocacy and arbitration including Costs in International Arbitration; Interim Measures in International Arbitration and others. Editorial board member of major legal journals including Arbitration (Journal of the Chartered Institute of Arbitrators); Butterworths Journal of International Banking & Financial Law; Dispute Resolution International and Maritime Risk International.


Phone: +6732 420913


Place of Residence: Brunei Darussalam

Nationality: Bruneian 

Language(s): English and Chinese (Mandarin)

  • OIL & GAS

    Fellow, Chartered Institute of Arbitratorsb

    Fellow, Malaysian Institute of Arbitrators MIArb

    Fellow, Singapore Institute of Arbitrators Arb

    Master of the Bench, Inner Temple (2010) - First Non-Senior Judge from Southeast Asia

    King's Counsel - First Southeast Asian Lawyer to be Given Silk 

    Visiting Professor, University of Hong Kong

    Visiting Professor, Universitas Indonesia

    Visiting Professor, King's College (London), University of London

    Visiting Professor, University of Malaya;

    Visiting Professor, Universiti Kebangsaan Malaysia

    Visiting Professor, Queen Mary University of London

    Visiting Professor, Padjadjaran University (Indonesia)

    Visiting Professor, National University of Singapore School of Law

    President, Arbitration Association Brunei Darussalam 

    Advisor Governing Board, BANI (Indonesia) 

    Appointments Board, Cambodia National Commercial Arbitration Centre

    Advisor, China-ASEAN Legal Research Center 

    ICC Commission on Arbitration and ICCA-Queen Mary Task Force (Costs and Security for Costs).

    Former Principal Legal Consultant, ASEAN Centre for Energy

    Panel Member (Brunei Darussalam nominee), ASEAN Protocol on Enhanced Dispute Settlement Mechanism

    Former Vice President, London Court of International Arbitration (Asia-Pacific Users' Committee)


    Bachelor of Laws, University of Sheffield

    Masters in Law, Queen Mary University of London

    Doctor of Philosophy (Law), Queen Mary, University of London 


    Thought Leader in Arbitration, Who’s Who Legal

    Leading 30 Global Practitioners, Expert Guides: Best of the Best 2017 (Arbitration)

    Leading 45 Arbitration Practitioners Under 45-Years-Old, Global Arbitration Review