Mark Jenning

Gillian Lynch is CEO of Europe at Gemini, a position she has held since April 2021, having joined the business to establish Gemini's European division. In that capacity, she led Gemini to obtain licensing as an Electronic Money Institution and secured registration as a Virtual Asset Service Provider (VASP) under the Central Bank of Ireland, making Gemini the first crypto company to hold that registration with the CBI. She has overseen the exchange's expansion across European markets, including launches in France, Greece, Bulgaria, Croatia, Cyprus, Hungary, Romania, Slovenia, Denmark, Sweden, Portugal, Czechia, Latvia, and Liechtenstein. She is an advocate for proactive engagement with regulators and has authored articles on Gemini's European regulatory and market expansion activity. She holds a Bachelor of Commerce and a Master's in Business Studies, specialising in International Studies and Human Resources, both from University College Dublin.

Prior to Gemini, Lynch served as Chief Operating Officer and subsequently Chief Strategy Officer at Leveris, a Dublin-based fintech company building a cloud-based, non-legacy core banking platform, where she spent approximately two and a half years. Before that, she spent over a decade at Bank of Ireland, where her final role was Head of Retail Planning, a position she held from 2013 to 2019. Earlier in her career she worked at Post Office Financial and Travel Services, progressing from IT and Operations Manager to Head of IT over a four-year period.

James Maxfield is Head of Trading EU at Gemini, based in Dublin, Ireland. He is responsible for managing the spot and derivatives trading portfolio during European hours, handling trade flow and executing client orders using algorithms to optimise P&L and reduce slippage. He also assists in the development, backtesting, and implementation of systematic trading strategies using Python, and compiles daily and weekly market commentary distributed to institutional and retail clients. In November 2025, he participated as a panellist at a breakfast event hosted by The Big Whale in Paris, in partnership with Gemini, focused on the institutional adoption of cryptocurrencies. The panel addressed topics including collateral management, on-chain repo, and the integration of stablecoins into banking workflows.

Prior to Gemini, Maxfield held trading and operations roles at Susquehanna International Group (SIG) in Dublin. From December 2020 to August 2021, he worked as a Trader, pricing and trading financial products including futures, CFDs, swaps, and FX forwards, and applied Python and SQL to automate desk processes. Before that, from August 2018 to December 2020, he completed SIG's Trading Operations Analyst Graduate programme, rotating through functions including risk, options trade support, ETF trade support, ETF pricing, stock loan, and corporate actions. He holds a degree from the University of Limerick and certifications in finance and data analysis.