Mr O'Sullivan is the Chairman of Abacus Storage King and an Ambassador for the Australia indigenous Education Foundation. He was a former partner at Freehill Hollingdale & Cage (how Herbert Smith Freehills Kramer) practicing in corporate, finance, mergers and acquisitions. He was also General Counsel of the Commonwealth Bank of Australia, Executive Chairman of Investment Banking and Capital Markets (Australia) at Credit Suisse Australia, and a Nonexecutive Director of AMC Limited. He is the Chairman of the Risk & Compliance Committee.