Mark Mangan


Mark Mangan


Singapore | Dechert (Singapore) Pte. Ltd., One George Street, #16-03, Singapore, Singapore 049145
+65 6730 6983 | +65 6730 6979


Mark Mangan leads Dechert's international arbitration practice in Singapore. He serves as both counsel and arbitrator. As counsel, Mr. Mangan represents clients in important and complex matters across a range of sectors and subject to a wide variety of applicable laws. This includes acting as counsel in several investment treaty arbitrations, a number of multi-billion dollar commercial cases, and high profile sports disputes.  As arbitrator, Mr. Mangan has been appointed in cases governed by the rules of SIAC, ICC, LCIA, SCC and KCAB, as well as an ad hoc arbitrator. 

 Mr. Mangan is ranked among the leading arbitration lawyers in Singapore. He has been recognized as a leading lawyer by Chambers Asia-Pacific, Chambers Global and Legal 500 Asia Pacific for his work in international arbitration, noting that he is 'incredibly hard working', 'a great advocate', 'good cross examiner', 'has an ability to assimilate a large amount of highly complex data', ‘remains cool under pressure’, is 'brilliant at tactics' and ‘excels at formulating and executing winning legal strategy consistent with the client’s needs and objectives’. Mr. Mangan is also described by clients as 'superb', ‘highly astute’, ‘innovative’, ‘hands-on’, 'on top of things' and 'has an encyclopaedic knowledge of the SIAC rules and Singapore arbitration practice'.  Legal 500 further notes that Dechert's Singapore arbitration practice led by Mr. Mangan is considered a future market leader by clients and peers alike. The team 'is going places', 'a growing force', 'has won a lot of new mandates' and is 'entrepreneurial in its approach'. Mr. Mangan is listed in the 2020 edition of Best Lawyers for international arbitration in Singapore, Global Arbitration Review’s Who’s Who Legal: Arbitration 2018, 2019 and 2020, and the 2017 Who’s Who Legal Future Leaders of Arbitration under 45, which noted that 'he is viewed as "the rising star in Singapore"' arbitration.  He was short-listed as Private Practice Lawyer of the Year in the Legal 500 Southeast Asia Awards 2020, covering all practice area in Southeast Asia.

Mr. Mangan is a thought leader in international arbitration.  He is a co-author of a leading book on Singapore Arbitration, A Guide to the SIAC Arbitration Rules (Oxford University Press; 1st edition 2014; 2nd ed. 2018); has written over 40 published articles and book chapters on investment treaty arbitration, international commercial arbitration and sports arbitration; has taught arbitration at several universities; and presents regularly at industry seminars and conferences. Mr. Mangan was highly commended in the 2019 Financial Times Innovative Lawyer Awards Asia-Pacific (for leading one of Singapore’s first ever third party funded arbitrations) and commended in the 2017 edition (for identifying and promoting international law remedies to cross-border haze pollution).  

  • Two Korean investment funds in the successful defence of a HKIAC arbitration claim brought against them, while all of our clients’ counterclaims were upheld with costs (Korean law; Hong Kong seat).
  • A consortium of international oil companies in a successful multi-billion dollar ad hoc arbitration claim brought under a production sharing contract with an African state oil company (Nigerian law; ad hoc arbitration; African seat).
  • A US oil major in a multi-billion dollar contractual dispute with the Russian Federation in relation to contributions required to be made under the parties' Production Sharing Agreement to the state's fiscal budget (Russian law; ad hoc arbitration; Stockholm seat).
  • A US oil major in a series of high value complex disputes with an Asian government and state-owned entities arising under several production sharing contracts.
  • A major Asian international oil and gas company in a series of disputes against the Federal Government of Nigeria.
  • A South East Asian state-owned oil and gas company in relation to a multi-million dollar dispute arising out of the construction of a polyester plant (Vietnamese law; ICC; Singapore seat).
  • A major international oil company in a dispute with P&I club insurers in relation to oil products delivered in Singapore.
  • A major international mining company in a series of high value complex disputes with a central Asian government.
  • A Korean construction and engineering conglomerate in a SIAC arbitration, a ICDR arbitration, an ICC arbitration and Singapore court litigation arising out of various projects around the world (laws of Singapore, Korea, Qatar and England).
  • A consortium of Japanese and Korean companies in relation to disputes arising out of the construction of a chemical refinery in South East Asia (English law; SIAC arbitration; Singapore seat).
  • A Chinese energy and construction company in relation to a Singapore court challenge to an ICC arbitration award (Singapore seat).
  • A major nuclear power plant manufacturer in a series of large and complex multi-billion dollar construction arbitrations with the state-owned employer under the ICC Rules (Finnish law; ICC; Paris seat).
  • A Korean engineering company in an ad hoc construction arbitration relating to alleged delayed and deficient building works (Singapore law; ad hoc arbitration; Singapore seat).
  • A office services company in a US$22 million SIAC arbitration with one of the largest residential and commercial development companies in Asia (Singapore law; Singapore seat; SIAC).
  • A major US satellite manufacturer in its successful defence against an ad hoc arbitration claim brought by a satellite operator and its insurers (UAE law; ad hoc arbitration; Toronto seat).
  • A major US satellite manufacturer in its successful defence (with costs) against a large and complex ICC arbitration brought by a satellite operator and its insurers (UAE law; ICC; Paris seat).
  • A global technology company in a dispute with a Vietnamese stated-owned oil and gas company (Vietnamese law; VIAC arbitration; Vietnam seat).
  • An international glass and building material company in a multi-million euro dispute with a Korean company arising under a share purchase agreement (Singapore seat).
  • Eastern Sugar B.V. in its successful investment treaty claim against the Czech Republic (UNCITRAL Rules), securing a €27,000,000 award (public international law; ad hoc; Paris seat).
  • A large European chemical manufacturer in relation to a dispute over the sale of part of its business to a Chinese entity (Singapore seat).
  • A European biotech company in a dispute with an international pharmaceutical company governed by the AAA Commercial Arbitration Rules.
  • A high worth southern European in an LCIA arbitration brought by a major private equity group (English law; LCIA; London seat).
  • The Korean Olympic Committee and Korean Swimming Federation in an eligibility dispute with Mr Tae Hwan Park before the Court of Arbitration for Sport and arising out of selection of the Korean swim team for the 2016 Rio Olympic Games (Swiss law; CAS; Lausanne seat).
  • The Union Cycliste Internationale (UCI) in proceedings in London in early 2013 brought in the wake of the Lance Armstrong doping scandal (Swiss law; ad hoc; London seat).
  • The International Olympic Committee (IOC) in over ten appeals brought before the Court of Arbitration for Sport arising from the 2004 Athens Olympic Games, the 2006 Torino Olympic Winter Games, and the 2008 Beijing Olympic Games (Swiss law; CAS; Lausanne seat).
  • The London Organising Committee for the Olympic Games (LOCOG) in relation to a high value commercial dispute referred to the Court of Arbitration for Sport arising in relation to the 2012 London Olympic Games (Swiss and English law; CAS; Lausanne seat).
  • And the International Cricket Council (ICC) in a series of commercial disputes with Global Cricket Corporation and national cricket federations (Paris seat) arising out of the 2003 Cricket World Cup (English law; ICC; Paris seat).

Includes matters handled at Dechert or prior to joining the firm.

  • University of New South Wales, Sydney, B.Com., 1996
  • University of Technology, Sydney, LL.B. (Hons), 2000, Winner of University Medal, (summa cum laude)
  • University of Cambridge, LL.M., 2002, (Cambridge Commonwealth Trust Scholarship and Pegasus Middle Temple Scholarship)
  • England and Wales (with Higher Rights of Audience)
  • Australia
  • English
  • French
  • Fellow, Singapore Institute of Arbitrators (SIArb)
  • Member, Korean Commercial Arbitration Board (KCAB)
  • Member, Hong Kong International Arbitration Center (HKIAC)
  • Member, London Court of International Arbitration (LCIA) Users' Councils
  • Member, Singapore International Arbitration Centre (SIAC) Users' Councils and Panel of Arbitrators
  • Fellow and member of Practice and Procedure, Australian Centre for International Commercial Arbitration (ACICA)
  • Member, ICC Commission on Arbitration and ADR
  • Advisory Board Member, Institute for Transnational Arbitration
Speaking Engagements
  • Debate: Price Reviews in Asia and Europe: Same-Same or Different? — ITA-IEL-ICC Joint Conference on International Energy Arbitration, Singapore (September 18-19, 2019)
  • 5th Annual GAR Live Singapore — Global Arbitration Review, Singapore (August 27, 2019)
  • LCIA European Users' Council Symposium — London Court of International Arbitration, Hampshire, United Kingdom (May 10-12, 2019)
  • Investor-State Arbitration in Crisis – The Arbitration Strikes Back? — Inter-Pacific Bar Association (IPBA) Conference held in Raffles City Convention Center, Singapore  (April 25 - 27 , 2019)
  • International Investment Arbitration Across Asia: The Impact of Trans-Pacific Partnership on Dispute Resolution in Asia — CIArb International Arbitration Conference 2018, Malaysia (December 6 - 7, 2018)
  • Does transboundary pollution or smoke haze violate international law and human rights, and what can be done about it? — Presented by The ACC Singapore Chapter and Dechert, Singapore (June 15, 2017)
  • Current Issues in International Investment Arbitration — ISDS Seminar 2016, Seoul (October 27, 2016)
  • Storms in the South China Sea: Law of the Sea Arbitration and 'Islands' of Dispute —Section of International Law 2016 Fall Meeting, Tokyo, Japan (October 21, 2016)
  • The future of international arbitration is not so 'bleak': a lesson from Charles Dickens (and Dechert) - New York (October 11, 2016) 
  • Courts (including the SICC) - Role, Support, Annulment and Enforcement — SIArb Commercial Arbitration Symposium 2016, Singapore (September 21, 2016)
  • ICC Arbitration in Myanmar — Organized by: the International Court of Arbitration of the International Chamber of Commerce (ICC), Yangon, Myanmar (August 18-20, 2016)
  • Regional opportunities for commercial arbitration — NTBA Dili Conference, Timor Leste (July 14, 2016)
  • Managing the International Arbitration Process — QMUL/SMU/SIAC Arbitration Colloquium, (July 7, 2016)
  • Investor-state arbitration in Asia — 2nd Annual GAR Live Singapore, Singapore (May 26, 2016)
  • Potential Treaty Claims Arising Out Of Environmental Pollution — Investor-State Dispute Settlement (ISDS) Forum, Seoul (May 3, 2016)
  • International Sports Law and Sports Arbitration — Sports Arbitration Conference Seoul, Seoul (May 2, 2016)
  • Does the Smoke Haze Over South East Asia Violate International Law? — Presented by Centre for Cross-Border Commercial Law in Asia (CEBCLA), Singapore Management University (SMU), Singapore (March 15, 2016)
  • Arbitrating in Asia: Emergence of Environmental Disputes and Asia-Related Strategy Considerations — Young ICCA Shanghai Workshop, Shanghai (March 5, 2016)
  • Improvements in the Indian judicial system and lessons learnt from the West — Magna Carta 800th Anniversary – Foundation of Democracy and the New Trends of Dispute Resolution in India Hosted by International Bar Association (IBA), New Delhi (December 5, 2015)
  • ICSID at 50: The Evolution Of International Investment Treaties And Dispute Resolution — International Centre for Settlement of Investment Disputes (ICSID) and Xi'an Jiaotong University, Xi'an (November 26, 2015)
  • ISDS: Focus on Infrastructure Projects in the Region — The 4th Asia Pacific ADR Conference, Seoul (November 4, 2015)
  • International Commercial Arbitration: Study of a Mock Case Under the 2012 ICC Rules of Arbitration — International Chamber of Commerce (ICC), Mumbai, India (October 15, 2015)
  • Arbitration of Oil & Gas Disputes From The Corporate Counsel's Perspective — SIAC Conference: The Rise and Rise of International Arbitration in Indonesia, Indonesia (September 17, 2015)
  • From The Corporate Counsel's Perspective — SIAC Conference: India's Progressive Approach Toward International Arbitration – How Far Have We Come?, India (September 5, 2015)