Constantine Partasides QC has appeared as counsel in some of the largest international arbitrations of the last two decades.  In the commercial space, Constantine has been lead counsel in claims against sovereigns and State entities in Venezuela, Algeria, Nigeria, the Kurdistan Region of Iraq and Kazakhstan.  He has recently led teams that obtained a monetary award for clients against the Kurdistan Regional Government for $1.98bn, a final award for a consortium of clients against the Nigerian National Petroleum Company in excess of $2bn, and a final award for ConocoPhillips against PDVSA in excess of $2bn.

Constantine has also advised and represented a variety of investors and States in relation to disputes under relevant bilateral and multilateral investment treaties. He served as counsel of record in high-profile ICSID successes for ConocoPhillips in its historic victory against the Bolivarian Republic of Venezuela, the Republic of Kenya in World Duty Free v. Republic of Kenya and the Republic of Lithuania in Parkerings v. Republic of Lithuania.  Constantine is leading a team for Elliott Associates in an arbitration under the US-Korea Free Trade Agreement against the Republic of Korea.

Constantine has been named a “Global Elite Thought Leader” by Who’s Who Legal, which describes him as “‘one of the best practitioners in the market,” “exquisite as an advocate,” and “a leader of his generation.” Chambers recognises him as a “Star Individual” in international arbitration, with a market source saying he is “seen as one of the go-to people in the world for a party who is involved in a large and complex arbitration.” He is also listed in the “Hall of Fame” for international arbitration in The Legal 500.

He is a co-author of the fourth, fifth and sixth editions of the leading textbook on international arbitration Redfern and Hunter on International Arbitration.  He is a solicitor-advocate (Higher Courts Civil) and was appointed Queen’s Counsel in 2014. Constantine was educated at King’s College, London, and Cambridge University.