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Gary O'Sullivan

Managing Partner, Sia Partners UK & Ireland | Dublin

Gary O’Sullivan

Gary began his career in 1990 with Ford Motor Company in Process Engineering and he went on to work with organisations such as Bausch and Lomb, Fruit of the Loom, Intel and Kodak in Ireland, the UK and the US, leading significant change programmes. He made a move into management consulting in 1997 when he joined the management team of Vision consulting following which in 2004, he joined Deloitte as Head of the Regional Consulting in Ireland. In 2007, Gary came together with a number of colleagues to establish Pathfinder, which was acquired by Sia Partners in 2020. Since then, he and the team have been busy creating market leading strategies with client teams, mobilising the change required to develop and win market share, substantially improve service delivery and drive increases in performance.