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John O'Sullivan headshot
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John O'Sullivan

Chief Financial Officer

John joined Rest as CFO in January 2024 and is responsible for Rest’s overarching financial management.

John leads the team responsible for financial strategy and reporting, actuarial and insurance pricing, taxation, portfolio governance, unlisted asset valuations, forecasting and investment operations to ensure the entire fund can focus on delivering the best-possible retirement outcomes of our members.

John is an experienced financial services executive and qualified actuary and has worked across banking, insurance and superannuation for more than 20 years. He joins Rest following 15 years at Ernst & Young and worked closely with Rest as a consultant over the five years prior to joining the Fund. He has also worked in an actuarial capacity in both Ireland and in Australia.

John is a Fellow of the UK Institute of Actuaries.

John holds a Bachelor of Science in Financial & Actuarial Maths from Dublin City University and the Chartered Enterprise Risk Actuary (CERA) qualification.