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Mark Mangan


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 an 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 theLegal 500Southeast 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).