FISD Membership

Managing Director, Platform Consulting, Refinitiv

Brennan leads the Refinitiv Platform Consulting team, responsible for consultative engagement with strategic customers. Brennan has held a range of roles at Refinitiv (formerly the Financial & Risk business of Thomson Reuters) since 2011, including leading the global Enterprise business (a $1.3B business that provides content and related services including real-time, historical, reference data, enterprise analytic services, data management platforms, and managed services), and large programs such as the companies MiFID and FRTB programs. Brennan joined Refinitiv from Proton Advisors, where he advised private equity funds, venture investors, and their portfolio companies. Brennan was part of the founding team and SVP of Product & Marketing at Spread Networks, a provider of low latency connectivity to the financial markets, and before that COO of NYFIX (later NYSE Technologies). He founded Radianz (later BT Radianz). Prior to that was SVP of Technology for Instinet, and began his career at IBM. He has been a director on the boards of companies including Marketcetera, Yipes, and Monitor110, and is an adjunct Professor of Strategy at New York University. Brennan earned a Bachelor of Arts degree in Economics from New York University and has done graduate studies at Columbia University, Harvard Business School and Massachusetts Institute of Technology. He has been listed in The Trade magazine’s ranking of the “100 Most Influential People in Buy-Side Trading” and featured in the books “Architects of Electronic Trading” and in Michael Lewis’ “Flash Boys.”