Dorieke is Counsel at Sovereign Arbitration Advisors. She specializes in international arbitration and national court litigation. She has experience with ICSID and UNCITRAL proceedings; has appeared before the European Court of Justice; and has participated in national court proceedings across diverse jurisdictions. She is qualified to practice law in the Netherlands, New York and Washington, D.C.

Dorieke’s background is firmly rooted in the public sector. She was part of the European Union’s negotiation teams with the United States (TTIP) and Canada (CETA); authored the 2019 Dutch model bilateral investment treaty; and led the legal team of the Dutch Ministry of Economic Affairs and Climate Policy in international litigation and arbitration proceedings.

In addition, Dorieke brings a wealth of experience related to the sanctions and national security regime as well as the nascent investment screening mechanism of the Netherlands and, more broadly, the European Union.

Industry experience

Education

| Georgetown University Law Centre: Master (LL.M) in International Business and Economic Law (with distinction and Dean’s list) | Maastricht University: LL.M in Globalization and Law | University of Groningen: Bachelor (LL.B.) in International and European Law | University of Groningen: Bachelor (BA) in International Relations

Languages

| English | Dutch | German | French

Selected Representations

Investor-State Arbitration

Stratius Investments Ltd. v. Hungary (ICSID Case No. ARB/24/6). Representing Hungary in an investment arbitration brought by a Cypriot claimant related to the power generation industry.
Enel S.p.A. v. Republic of Türkiye (ICSID Case No. ARB/21/61). Counsel to Türkiye in a dispute brought by Italian power-conglomerate Enel related to renewable energy industry.
Counsel to the Kingdom of the Netherlands in investment arbitration cases under ICSID, UNCITRAL and Netherlands Arbitration Institute rules. Defended the Netherlands in numerous parallel, multi-jurisdiction national court litigation procedures related to the arbitral proceedings.
Mercuria Energy Group v. Republic of Poland (United States District Court for the District of Columbia (Case No. 1:23-cv-03572)). Successfully defended the Republic of Poland against the attempted enforcement of an intra-EU investment arbitration award in the United States District Court for the District of Columbia.

Enforcement of arbitral awards in U.S. Courts

Mercuria Energy Group v. Republic of Poland (United States District Court for the District of Columbia (Case No. 1:23-cv-03572)). Successfully defended the Republic of Poland against the attempted enforcement of an intra-EU investment arbitration award in the United States District Court for the District of Columbia.

Advisory engagements

Permanent Advisor to United Nations Conference on Trade and Development (UNCTAD) Multi-Stakeholder Platform on IIA Reform.
Capacity Building Program on Regional Trade Agreements and International Investment Agreements in Uzbekistan in partnership with the Asian Development Bank and Climate Change Counsel.
ASEAN Secretariat. Delivering workshops and capacity-building programs on ADR and supporting the development of updated ADR Guidelines for ASEAN’s Free Trade Agreement, for adoption by ASEAN member states in 2026. Ongoing.