Stuart Flack is an actuary at Aon Hewitt. He joined the organisation in 1996 and qualified as a Fellow of the Institute of Actuaries in 2001. He has a BSc in Mathematics with Statistics from Nottingham University and an MSc in Statistics from Kent.

Stuart is a consultant within Aon Hewitt's Retirement practice based in Epsom. He is a Scheme Actuary and advises a portfolio of clients on issues such as benefit design, valuations, acquisitions and disposals, and accounting for pension costs.

Outside of work, Stuart enjoys athletics and cross-country running, and is also a keen supporter of Gillingham Football Club.