Marilena Chrysanthakopoulou

Associate

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London

Tel: +44 20 7786 5535

Overview

Marilena Chrysanthakopoulou is a litigation associate and a member of the International Dispute Resolution Group. Ms. Chrysanthakopoulou’s practice ... Read Full Biography

Experience

- Investors in an energy company in a potential claim against a State under the Energy Charter Treaty concerning the regulation of the electricity market.
- One of the largest energy companies in a potential dispute under the Energy Charter Treaty arising from the closure of a major natural gas field by a European state.
- Eiser Infrastructure and a subsidiary in their successful ICSID arbitration, brought under the Energy Charter Treaty, against the Kingdom of Spain following the withdrawal of certain financial incentives to encourage investment in renewable energy.

Languages

English
Greek

Marilena Chrysanthakopoulou is a litigation associate and a member of the International Dispute Resolution Group. Ms. Chrysanthakopoulou’s practice focuses on international arbitration and public international law. She has represented private clients and States in investor-Sate and international commercial arbitrations governed by various civil and common laws, under the auspices of major arbitral institutions (ICSID, ICC, LCIA, UNCITRAL). She has experience in the construction, energy, oil and gas, and gaming industries. Ms. Chrysanthakopoulou joined Debevoise in 2023, prior to which she worked at leading international and boutique law firms in London, Geneva and Athens. Ms. Chrysanthakopoulou holds an LL.B. from the University of Athens, a BSc in International Business from the American College of Greece, and an LL.M. from Georgetown Law. Ms. Chrysanthakopoulou is a member of the Bars in Greece and the State of New York, and was admitted as a solicitor of the Senior Courts of England & Wales in 2025. She is a native Greek speaker.