Mr. Gkatzimas specializes in complex financial markets disputes related to trading, valuing, and investing in securities and portfolios across asset classes – including digital assets.

He is an expert on derivative securities, structured finance, credit products, alternative investments, and digital assets, including their unique regulatory considerations, market structure, and transaction and valuation practices. Mr. Gkatzimas has significant experience with benchmark-related matters, and he actively consulted on financial industry considerations related to the fallback framework of interbank-offered rates (IBORs). His digital asset experience includes disputes about cryptocurrency exchanges and the trading of crypto coins, tokens, and their derivatives.

Clients engage Mr. Gkatzimas in a wide range of finance-related issues, including disputes involving venture capital and private equity investments, valuation of illiquid securities, credit instruments, derivatives, mergers and acquisitions, and securities class actions. He has led experts and consulting teams through all stages of regulatory investigations, litigations, arbitrations, and mediations.

In addition to his consulting work, Mr. Gkatzimas has been a member of the professional faculty at the UC Berkeley Haas School of Business since 2013. Mr. Gkatzimas is a Chartered Financial Analyst (CFA) charterholder and a member of the CFA Society – San Francisco.


Stanford University
MSc in Financial Mathematics

Haas School of Business at UC Berkeley
Master of Financial Engineering

St. John’s University
MBA in International Finance

Aristotelian University of Thessaloniki
BS in Pharmaceutical Sciences