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Global Leader

Arbitration Expert Witnesses 2019

Professional Biography

WWL Ranking: Recommended

WWL says

Frederic Elkeslassy is identified by market commentators as "a name to watch" and "the best of a new generation of experts".


Frédéric Elkeslassy leads the EY international arbitration litigation practice of EY in western Europe (France, Belgium, Netherlands, Luxembourg) and the Maghreb.

A legal statutory auditor of international groups, he has 17 years of experience at EY in valuation, accounting, economic analysis and quantification of damages.

Frédéric is specialised in damage quantifications in the context of international arbitrations.

Acting as an expert witness, he quantified damages up to US$2.6 billion, and has been cross-examined on major investment and commercial disputes held under the ICSID, UNCITRAL and ICC rules.

Frédéric has developed a very strong technical background in many sectors where he is involved such as mining, energy and infrastructure, military contracts, construction, real estate and hospitality, especially in the Middle East and African regions.

He provides technical and practical training in financial expertise and valuation.

Frédéric is a qualified chartered accountant (French CPA) and an affiliate of the Institute of Chartered Accountants in England and Wales. He holds a master's degree in accounting, finance and economics (Dauphine University) and a degree in economics (Sorbonne University).

National Leader

WWL Ranking: Recommended
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