Leading arbitrator Public record 23 published cases
William W. Park
Arbitrator in 23 published cases (presiding or sole arbitrator in 11) before ICSID, ICDR / AAA, ICC tribunals, in aluminium, oil and gas, offshore oil and gas drilling disputes.
Overview
In the published awards, William W. Park has been appointed by claimants 9 times and by respondents 0 times, and has presided or sat alone in 11 cases. Of the party appointments, 0 came from States and 9 from investors or companies. 3 dissenting or separate opinion(s) are recorded.
Outcome for the appointing side, where the published decision is clear: claimant prevailed in 30% of the 5 claimant appointments. Mixed outcomes count as half.
Appointed most often by: Tullow Uganda Operations Pty Ltd (2), Tullow Uganda Limited (2), Antonio del Valle Ruiz (2), Abraham Abadi Tawil (2), Alejandra Perez Mina (2).
Track record
| Year | Case | Role | Appointed by | Institution / rules | Sector | Award |
|---|---|---|---|---|---|---|
| 2026 | InfraRed Environmental Infrastructure GP Limited and others v. Kingdom of Spain | Co-arbitrator | Claimant | ICSID | Renewable energy; concentrated solar power (CSP) | Read award → |
| 2026 | MOL Hungarian Oil and Gas Company Plc v. Republic of Croatia | Co-arbitrator | Claimant | ICSID · Washington, D.C. | Oil and gas; gas market regulation; privatisation of INA | Read award → |
| 2025 | World Wide Minerals v. Republic of Kazakhstan (resigned due to ill-health in March 2023) | President | — | UNCITRAL · London | Uranium mining and processing | Read award → |
| 2025 | Greentech Energy Systems A/S, et al v. Italian Republic | President | Co-arbitrators | SCC · Stockholm | Renewable energy; solar photovoltaic feed-in tariffs | Read award → |
| 2023 | Antonio del Valle Ruiz et al v. Kingdom of Spain (Respondent's challenge dismissed by the PCA Secretary-General on 3 June 2019) | Co-arbitrator | Claimant | PCA | Banking; bank resolution | Read award → |
| 2023 | Abraham Abadi Tawil, Alejandra Pérez Mina, Alejandro Finkler Kudler, Alejandra Rojas Velasco, Alonso de Garay Gutiérrez, Antonio Cosio Ariño, Antonio del Valle Perochena, Arantzazu del Valle Diharce, Arturo Grinberg Kreimerman, BBVA Bancomer Servicios, S. (challenge rejected) | Co-arbitrator | Claimant | ICSID · The Hague | Banking (resolution of Banco Popular Español) | Read award → |
| 2023 | TECO Guatemala Holdings, LLC v. Republic of Guatemala | Co-arbitrator | — | ICSID · Washington, D.C. | Electricity distribution; tariff regulation | Read award → |
| 2022 | Sodexo Pass International SAS v. Hungary | President | — | ICSID · London | Meal and food vouchers; taxation of employee benefits | Read award → |
| 2021 | Antoine Abou Lahoud and Leila Bounafeh-Abou Lahoud v. Democratic Republic of the Congo | President | — | ICSID · Washington, D.C. | Electrical works; timber processing and export | Read award → |
| 2020 | Interocean Oil Development Company and Interocean Oil Exploration Company v. Federal Republic of Nigeria | President | Parties jointly | ICSID · London | Oil and gas (OML 98 and OPL 275 joint venture with NNPC) | Read award → |
| 2020 | Vantage Deepwater Company and Vantage Deepwater Drilling, Inc. v. Petrobras America, Inc., Petrobras Venezuela Investments & Services B.V., and Petroleo Brasileiro S.A.-Petrobras | President | Co-arbitrators | ICDR / AAA · Houston, Texas (arbitration) | Offshore oil and gas drilling | Read award → |
| 2018 | EDF International S.A., SAUR International S.A. and León Participaciones Argentinas S.A. v. Argentine Republic | President | Institution | ICSID · Washington, D.C. | Electricity distribution (Province of Mendoza) | Read award → |
| 2018 | GBM Global et al. v. Kingdom of Spain (Nominated by Claimants as their party-appointed arbitrator in the Request for Arbitration; not yet confirmed as appointed.) | Co-arbitrator | Claimant | — | — | Read award → |
| 2018 | CEAC Holdings Limited v. Montenegro dissent | Co-arbitrator | Claimant | ICSID · Paris | aluminium | Read award → |
| 2018 | Central European Aluminium Company v. Montenegro dissent | Co-arbitrator | — | — | — | Read award → |
| 2015 | Tullow Uganda Operations Pty Ltd and Tullow Uganda Limited v. Republic of Uganda (Replaced J. William Rowley, appointed by the claimants, on 18 March 2014) | Co-arbitrator | Claimant | ICSID · London | oil and gas | Read award → |
| 2015 | Tullow Uganda Operations PTY LTD v. Republic of Uganda (Replaced J. William Rowley on 20 March 2014) | Co-arbitrator | Claimant | — | — | Read award → |
| 2015 | Kiliç Ĭnşaat Ĭthalat Ĭhracat Sanayi Ve Ticaret Anonim Şirketi v. Turkmenistan dissent | Co-arbitrator | Claimant | — | — | Read award → |
| 2015 | Standard Chartered Bank v. The United Republic of Tanzania | President | — | — | — | Read award → |
| 2014 | Travis Coal Restructured Holdings LLC v. Essar Global Fund Limited | Co-arbitrator | — | ICC · New York, New York | coal mining | Read award → |
| 2014 | Alapli Elektrik B.V. v. Republic of Turkey (appointed by the Chairman of the Administrative Council of ICSID) | President | Institution | — | — | Read award → |
| 2013 | Ömer Dede and Serdar Elhüseyni v. Romania | President | Parties jointly | — | — | Read award → |
| 2013 | Les Laboratoires Servier, S.A.A., Biofarma, S.A.S., Arts et Techniques du Progres S.A.S. v. Republic of Poland | President | — | — | — | Read award → |
Expertise
The legal issues and sectors decided most often in the published awards. Each links to the cases in the database.
fair and equitable treatment 10annulment 5stay of enforcement 4intra-EU objection 4Achmea 4umbrella clause 3DCF valuation 3Energy Charter Treaty 3indirect expropriation 3creeping expropriation 3legitimate expectations 3bribery 2electricity distribution 2shareholder claims 2oil and gas 2Komstroy 2attribution 2minimum standard of treatment 2Banco Popular 2bank resolution 2Single Resolution Board 2Mexico–Spain BIT 2Emergency Liquidity Assistance 2national treatment 2
Co-arbitrators
- Brigitte Stern 6 cases
- Bernard Hanotiau 5 cases
- Christopher Greenwood 3 cases
- Tinuade Oyekunle 3 cases
- Gabrielle Kaufmann-Kohler 3 cases
- Alexis Mourre 3 cases
- Joongi Kim 2 cases
- Jean E. Kalicki 2 cases
- Kamal Hossain 2 cases
- Karl-Heinz Böckstiegel 2 cases
Appointed by clients of
Is this you?
This page is compiled automatically from the published awards. Arbitrators can claim it to add a photograph, CV, languages, seats, availability and a direct contact, and to correct the record.
Appointing counsel
Run the conflict checker with the names in your matter to see every published link between this arbitrator and the parties, counsel and experts, classified under the IBA Guidelines.
Compiled with AI from the published awards and decisions in the Forum’s database. It covers public cases only, counts each case once, and may contain matching errors; every row links to its source. Corrections: info@arbitration.org. All arbitrators →