John Brennan

John joined Gresham House Ireland as Head of Operations in June 2021. He has over 17 years’ experience in financial services, holding senior roles in Citi, State Street and BNY Mellon having previously worked in the insurance and retail banking sectors. Most recently he was responsible for global client on-boarding for Brown Brothers Harriman. He holds an honours degree in Financial Services, Economics & Management in addition to professional qualifications in International Financial Markets & Financial Services Applications awarded by UCD.