Ruxandra Ciupagea

"Extremely skilled in withstanding cross-examination, very impressive analytical skills, extremely ethical." - Lexology Index 2022

Ruxandra Ciupagea is a Senior Vice President, based in Madrid and London. Ms. Ciupagea has nearly 15 years of experience in economic consulting and has provided expert witness testimony in litigation and international arbitration matters focused on pricing, valuation and damages assessments in energy and infrastructure markets. She has extensive experience in the fields of regulated infrastructure, electric power, renewable energy and natural gas and LNG. Ms. Ciupagea is a recognized expert witness in the Who’s Who Legal Arbitration listing and a recognized expert in the Who’s Who Legal Energy publication.

Ms. Ciupagea also has particular expertise in electricity market modeling, including market price forecasts and valuation of transmission assets and storage technologies, as well as in the environmental arena, where she has consulted on issues related to air quality impacts, carbon leakage risk, and carbon credits. She has participated in designing models related to the UK Renewable Heat Incentive and renewable energy support (RES) policies in Europe.

Ms. Ciupagea has co-authored an article on the Principles of Damages for Violations other than Expropriation in the fourth edition of The Investment Treaty Arbitration Review (Law Business Research, Ed. Barton Legum, June 2019) (jointly with Dr. Moselle), and a study regarding a renewable energy supplier obligation in the Netherlands. Ms. Ciupagea is also a guest lecturer in the Damages in International Arbitration and Energy course at the Queen Mary University of London School of Law, and a guest lecturer at the Brussels School of Competition on the regulation of the electric power and natural gas industries.

"She had a nice way of dealing with questions by cross-examining counsel that made little sense. She kept her focus as it should be on educating and persuading the Tribunal. She knew the record inside and out – far better than cross-examining counsel. She responded to questions with precision, credibility and authority." - Lexology Index 2022

"Extremely talented; grasps very complex issues quickly; great in cross-examination." - Lexology Index 2023

"Terrific combination of technical excellence and independence, which leads to her only espousing positions that she believes in and can defend." - Lexology Index 2024

"We highlight Ms. Ciupagea’s ability to rapidly assess the dispute matter, as well as her commitment to provide the best expert report possible." - Lexology Index 2022

"We were very impressed by the quality of the analysis. Ruxandra is cleared-headed and focussed." - Lexology Index 2024

"Very proactive, responsive and experienced with a detailed understanding of the industry." - Lexology Index 2023

"Very timely and responsive; she was able to pivot quickly as the nature of the assignment changed and produce excellent work product under very tight deadlines." - Lexology Index 2025

"Deep experience and reliability." - Lexology Index 2024

"The work from Compass Lexecon’s team was outstanding: not only the expertise rendered was of a high-level quality, but also their verbal presentation as expert witnesses before the arbitral tribunal was remarkable, supporting and endorsing their conclusions and effectively responding the parties and tribunal's questions." - Lexology Index 2022

"Efficient and available." - Lexology Index 2025