Ioannis Gkatzimas

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

He is an expert on derivatives and complex financial instruments, alternative investments and credit products, and digital assets, including their unique regulatory considerations, market structure, and transaction and valuation practices. Mr. Gkatzimas has provided expert opinions and testified on valuation and damages issues involving venture-funded companies, cryptocurrency derivatives, and incentive stock options, among others, in litigation, arbitration, and bankruptcy proceedings. Recent digital asset-related work includes analyses of market structure and underlying economics of stablecoins, cryptocurrency exchanges, and valuation and liquidity measures in the trading of digital assets and their derivatives.

Clients engage Mr. Gkatzimas in a wide range of finance-related issues. He consults on disputes involving venture capital investments; valuation of illiquid securities; options, warrants, swaps, and bespoke derivatives; cryptocurrency tokens and derivatives; fixed-income securities; and credit or structured products. He has also advised on benchmark-related matters and other topics of market interest, securities class actions, and mergers and acquisitions. In his expert analysis work, he frequently addresses transaction and valuation disputes involving large, complex datasets.

Mr. Gkatzimas has led experts and consulting teams through all stages of regulatory investigations, litigations, arbitrations, and mediations. His casework spans numerous industries, including banking and financial institutions, mortgage finance, investment management, pharmaceuticals, technology, and energy. Notable engagements include a valuation of a cryptocurrency derivatives exchange for Delaware Chancery Court, a series of reports for the International Swaps and Derivatives Association (ISDA) on IBOR fallback rates in derivative markets, and the Department of Justice’s investigation of S&P rating practices for collateralized debt obligations (CDOs).

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. He is a Chartered Financial Analyst (CFA) charterholder and a member of the CFA Society – San Francisco.