Christina G. Hioureas

Counsel, Chair, United Nations Practice Group - New York

Christina Hioureas

Contact Information


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Christina Hioureas is a counsel in the firm's International Litigation & Arbitration practice and chair of the firm's United Nations practice group. Christina represents States, private and State-owned entities, and individuals on international disputes and public international law matters and advises States on matters before the United Nations and its bodies. She also serves as arbitrator in international commercial disputes.

Christina has experience on matters involving the Balkans, the Mediterranean, Europe, the Caucusus, the Middle East, Asia, Africa and Latin America. More specifically, Christina:

  • Represents parties in international investment (ICSID, UNCITRAL) and commercial arbitration matters (ICC, ICDR, AAA, LCIA, UNCITRAL and Swiss Rules) on matters ranging from mixed-use projects and construction disputes to energy pricing, energy supply shortages, and solar power disputes. 
  • Serves as sole and co-arbitrator in international commercial disputes, including under UNCITRAL, ICC, ICDR, and AAA Rules. She is admitted to the panel of
    arbitrators for the AAA, DIS, Asia International Arbitration Centre, and USCIB/ICC. 
  • Advises States on matters before the United Nations and its bodies and represents States in proceedings before the International Court of Justice. 
  • Represents States in claims before U.S. courts under the Foreign Sovereign Immunities Act and represents individuals in claims under the Alien Tort Statute
    and Torture Victim Protection Act.
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  • The Hague Academy of International Law, Public International Law, 2011
  • University of California Berkeley School of Law Boalt Hall, J.D., American Jurisprudence Award - International Law; Lowell and Jensen Public Service Award, 2007
  • University of California, Berkeley, B.A., highest honors, 2004


English, Greek, Spanish

Representative Experience

International Investment Arbitration 

  • Africa: Counsel to State in UNCITRAL claim regarding a construction project.
  • Middle East: Counsel to technology company in a claim involving the expropriation of real estate investment.
  • Balkans: Counsel to energy company in an ICSID claim relating to expropriation of storage facilities.
  • Middle East: Counsel to French energy company in ICSID claim relating to breach of contract with respect to plant function and gas sales.
  • North America: Advised on NAFTA claim involving due process claims with respect to an acquisition and related court actions.
  • Latin America: Represented private entity in an ICSID arbitration involving the expropriation of a plant and related offtake agreement.
  • Latin America: Represented party in preparing amicus curiae brief before the US Supreme Court on preconditions to international investment arbitration.
  • Caucasus: ICSID arbitration involving issues of expropriation related to a highway construction and casino hotel services concession.
  • Latin America: Advised on an ICSID claim regarding expropriation of an airline.
  • Latin America: Counsel to multinational corporation on an ICSID claim involving the expropriation of a glass plant.

International Commercial Arbitration (ICC, UNCITRAL, Swiss Rules, ICDR, AAA)

  • Southeast Asia: Counsel to State-owned entity in ICC commercial arbitration claim regarding alternative energy project. 
  • Southern Europe: Counsel to gas company in gas shortages claims.
  • Southern Europe: Counsel to a European gas company in an ICC arbitration involving a gas pricing claim.
  • Russia: Counsel to a US-based energy company in an arbitration under the Swiss Rules of International Arbitration in a dispute arising out of power plant construction projects in Russia.
  • Asia: Counsel to various tech companies on a series of related international arbitration claims under ICC and ICDR Rules for breach of contract and fraud.
  • Southern Europe: Advised a European energy company in respect of price revision negotiations.
  • Africa: Represented a private entity in an international mediation before the ICC Dispute Resolution Board with respect to an investment in Uganda.

Public International Law and Other Sovereign Advisory Work 

  • Africa: Counsel to African State in advisory opinion proceedings regarding the decolonization process before the International Court of Justice.
  • Latin America: Counsel to Latin American State in territorial dispute before the International Court of Justice. 
  • Middle East: advised State on UN advisory matters relating to human rights.
  • Europe: Represented the Republic of Bulgaria in a tort claim before the Southern District of New York under the Foreign Sovereignty Immunities Act.
  • Asia: Advised an Asian state on claims to hydrocarbon royalty by a provincial government and questions of law of the sea.
  • Asia: Advised entity on maritime boundary concession in the Bay of Bengal.
  • Africa: Advised the Federal Republic of Somalia on questions of international law and the draft Provisional Constitution.
  • Middle East: Advised a Middle Eastern state on sovereign immunity and international human rights law.
  • Europe: Advised a State on potential claims relating to state succession and unlawful expropriation.

International Human Rights 

  • Cambodia: Represented third party in a case involving crimes against humanity, torture, cruel treatment, and extrajudicial killings brief before the Extraordinary Chambers in the Court of Cambodia.
  • Chile: Represented the family of the late folk musician, Victor Jara, in an ATS/TVPA claim alleging crimes against humanity, extrajudicial killing, torture, cruel treatment, arbitrary detention: Jara v. Barrientos.
  • Bosnia: Represented an intervening party in a claim before the European Court of Human Rights Dayton Accord power sharing Constitutional structure in relation to the right to run for office and the right to vote: Pilav v. Bosnia and Herzegovina.
  • Somalia: Counsel to the Legal Adviser to the President of Somalia and leading human rights activist in a torture claim under the Alien Tort Statute/Torture Victims Protection Act against a former Somali Colonel during the Siad Barré dictatorship: Ahmed v. Magan.
  • Balkans: Represented a consortium of companies in a claim before the European Court of Human Rights involving the unlawful tender of a public works contract and the right to a fair trial.
  • Africa: Advised various energy companies on corporate social responsibility and issues of liability under the Alien Tort Statute and Torture Victim Protection Act.
  • North America: Advised on a claim before the Inter-American Commission on Human Rights involving the legality of luring under international law.    
  • United States: Argued a petition for habeas corpus and the secured release of a victim of intimate partner battering and its effects who was wrongfully convicted of second-degree murder: In re Hammond.
  • United States: Counsel to an advocacy group in a disability discrimination claim against the state of California: California Association of Mental Health Patients’ Rights Advocates v. California.

Professional Experience

  • Adjunct Associate Professor of Law, Fordham University School of Law
  • Teaching Staff, University of Piraeus, Department of International & European Studies - Energy Strategy, Law & Economics Program
  • Graduate Student Instructor, UC Berkeley, Peace & Conflict Studies and Political Science Departments
  • “The Singapore Convention on International Settlement Agreements Resulting from Mediation: A New Way Forward?”, Berkeley J. Int’l L (forthcoming).
  • Chambers Global Practice Guide: International Commercial Arbitration, authored chapter on arbitration under U.S. law (2019, 2020). 
  • "A New Legal Framework for the Enforcement of Settlement Agreements Reached Through International Mediation: UNCITRAL Concludes Negotiations on Convention and Draft Model Law,"  EJIL Talk, (2018).  
  • "Framework Agreement between the Government of the Republic of Cyprus and the Government of the Arab Republic of Egypt Concerning the Development of Cross-Median Line Hydrocarbons Resources," International Maritime Boundaries, 1-15, (2017).
  • NATURAL RESOURCES AND THE LAW OF THE SEA (co-editor (with L. Martin and C. Salonidis), Juris Publishing, 2017).
  • "Sovereignty Disputes and Offshore Development of Oil and Gas," Journal of Energy and Natural Resources Law (with B. Guthrie) (2017).
  • “International Commercial Arbitration: Greece,” Global Arbitration Review (2016 and 2018)
  • “International Commercial Arbitration: Cyprus,” Global Arbitration Review (2016)
  • “Potential Legal Implications Arising from ‘Brexit,” Foley Hoag (2016).
  • "Kiobel v. Royal Dutch Petroleum: Is Corporate Liability Under the Alien Tort Statute On its Way Out?," Berkeley J. Int’l L. Publicist, Vol. 9, 2011.
  • "Transatlantic Environmental Regulation-Making," in Handling Environmental Global Challenges: California, the United States and the European Union, Leuven Centre for Global Governance Studies (2010), republished in Transatlantic Regulatory Cooperation: The Shifting Roles of the EU, the US and California, Edward Elgar Publications, , 2011.
  • "Glamis Gold, Ltd v. United States: A Case Study on Disclosure Procedure in International Arbitration," 2 World Arb & Mediation Rev 3, 2008.
  • "US Discovery in Aid of International Legal Proceedings: Developments Since the Intel Decision Under Section 1782," 4 Deutsch-Amerikanische Juristen-Vereinigung 177, , 2006.
  • "Behind the Scenes of Protocol No. 14: Politics in Reforming the European Court of Human Rights," 24 Berkeley J. Int’l L 718, 2006.

Foley Hoag Alerts & Updates


  • Featured in Who's Who Legal in International Arbitration - Future Leaders (2017-2019).
  • Global Arbitration Review: recognized as “an absolutely stellar lawyer” and “an eloquent advocate with a commanding presence before the tribunal. She is academically distinguished, yet commercially minded; tough and powerful yet elegant and eloquent; she memorises all intricacies of the case yet always keeps the big picture and strategy in mind.”
  • Legal 500: recognized as “very impressive” and “solid in international arbitration and public international law." 
  • Legal 500 Latin America: recognized as “highly regarded.”
  • Center for Justice & Accountability “Partners in Justice Award” (2015): for her work on Jara v. Barrientos, which brought to light atrocities committed in Chile during the Pinochet regime; and (2013), for her work on Ahmed v. Magan, the first decision to hold a member of Somalia's notorious National Security Service accountable for human rights violations.
  • Greek America Foundation's “40 Under 40” Award for work in public international law, human rights and energy law.


  • ICC Commission on Arbitration & ADR, U.S. Member
  • Council on Foreign Relations, Elected Term Member
  • Atlantic Council, Elected Member
  • American Society of International Law (ASIL), Executive Council
  • European Society of International Law (ESIL)
  • British Institute of International and Comparative Law (BIICL)
  • American Bar Association and International Bar Association
  • “Gentle Force of Compromise: Mediation,” Asia ADR Week, (Kuala Lumpur, Malaysia, 2019).
  • “Efficiencies and Alliances in Public-Private Partnerships: Regulatory and Institutional Factors for Dispute Resolution Hubs,” Singapore Convention Signing Ceremony & Conference (Singapore, 2019).   
  • "Tribunal Dynamics: Selection of Arbitral Tribunal from the Counsel and Arbitrator Perspective," American Arbitration Association (New York, 2019). 
  • “Parallel Proceedings in Arbitration,” New York State Bar Association (2019).
  • “The Singapore Convention on Mediation: Expert Perspectives on its Significance for the Future of Dispute Resolution,” UNCITRAL WG III side event (New York, 2019).
  • “Technology and Arbitral Players,” ICCA and ICC Conference (Mexico City, 2019).
  • The Singapore Convention on the Enforcement of Agreements Achieved Through International Mediation: A New Way Forward?” The Elegance of International Law: A Conference in Commemoration of Professor David D. Caron (Berkeley, 2018).
  • “Practicing at the Intersection of Public and Private International Law” USC Gould School of Law (Los Angeles, 2018). 
  • “Introduction to International Dispute Resolution,” Yeosu Academy of International Law (Yeosu, Republic of Korea, 2017).
  • “International Water Conflict and Cooperation: Grappling with the Allocation of Freshwater Between States in the Face of Climate Change,” 95th Annual Meeting of the American Branch of the International Law Association, International Law Weekend (New York, 2017).
  • “The Potential Effects of Rising Sea Levels,” 18th Open-Ended Informal Consultative Process on Oceans and the Law of the Sea, The Effects of Climate Change on Oceans, United Nations Headquarters (New York, 2017). 
  • "Climate Change Arbitration: The Key to 'Climate Justice for All' After the Paris Agreement,” ABA Section of International Law, (Washington, D.C., 2017)
  • “New Frontiers in the Law of the Sea,” Universidad del Pacífico (Chile, 2017).
  • "Defense of Land and Water as a Strategy to Eradicate Poverty,” UN Headquarters (New York, 2017).
  • “Recent Developments in Investment Treaties and Dispute Settlement Systems: Efforts by U.N. Member States for a More Balanced Way Forward,” New York Bar Association, Committee on the United Nations (New York, 2017).
  • “Transboundary Groundwater and International Law: Water, Peace, and Security.” Protection and Management of Transboundary Groundwater: Legal Issues and the Human Right to Water, UN Headquarters (New York, 2016).
  • “Recent Developments in Investment Arbitration,” New York Bar Association, JAMS Mediation, Arbitration, ADR Services (New York, 2016).
  • “Silk Road Energy Projects - Oil & Gas, Nuclear, Renewables,”  The Silk Road Summit - 1st Annual Conference: Exploring Business, Trade & Investment Opportunities on the New Silk Road, (Washington, D.C., 2016).
  • “Beauty and the Beast: From Populism to Orthodoxy, Foreign Investment in Latin America,” Latin Lawyer 7th Annual Private Equity Conference (New York, 2016).
  • “Legal Issues Related to Energy Transportation,” 3rdAnnual International Seminar on Energy and Shipping, Institute of Energy for South-East Europe (Athens, Greece, 2016).
  • “Emerging Frontiers in the South China Sea,” Panel Chair, Annual Meeting of the American Society of International Law (Washington, D.C., 2016).
  • “Transparency in International Investment Arbitration,” ICC Forum on “In Defense of International Commercial Arbitration: Lessons to Be Learned from Investor-State Arbitration (New York, 2015)
  • “Post-Conflict Security in Somalia: A Case Study in U.S. Federal Court,” NYU Center for Global Justice and Human Rights (New York, 2015).
  • Year in Review: Key Decisions and Developments in Investor-State Arbitration,(New York, 2015).
  • “Multilateral Home State Efforts to Regulate Foreign Investment,” Columbia Law School (New York, 2014).
  • "Eastern Mediterranean LNG to the EU from Israel and Cyprus: Prospects and Challenges," 5th Annual Mediterranean Oil & Gas Conference (Limassol, Cyprus, 2014).
  • "Transforming the Investment Treaty System through Joint Termination and Amendment," Vale Columbia Center on Sustainable International Investment, Columbia Law School (New York, 2013).
  • "Disputes and the Regime of Islands and Rocks Under UNCLOS," Panel Chair, American Branch of the International Law Association, International Law Weekend (New York, 2013).
  • "Between Diplomacy and Adjudication: 'Energy Diplomacy' as a Peace Building Tool," International Law Association Conference - Imperium Juris: Governance, Trade, and Resources (Athens, Greece, 2013).
  • "Risk Reduction in Oil & Gas Exploration: Strategies for States and Investors," 4th Annual Mediterranean Oil & Gas Conference (Athens, Greece, 2013).
  • "The Extra-Territorial Application of European Court of Human Rights Jurisprudence," University of Montenegro (Podgorica, Montenegro, 2012).
  • "Individual Accountability for Human Rights Violations Before U.S. Courts," Center for Cultural Diplomacy (London, 2012).
  • "Transatlantic Environmental Strategies," Centre for European Policy Studies, the European Commission Directorate-General for External Relations with the US and Canada (Brussels, 2009).
  • "International Environmental Policy: Climate Change, Water Policy, Chemicals Regulation, and Biosafety," University of California Washington Center, Institute of Governmental Studies (Washington, D.C., 2009).
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Bar Admissions

  • New York
  • California
  • England and Wales

Court Admissions

  • U.S. Supreme Court
  • U.S. Court of Appeals Ninth Circuit
  • U.S. Court of Appeals Eleventh Circuit
  • U.S. District Court for the Southern District of New York
  • U.S. District Court for the Northern District of California