Mike was appointed CEO in September 2020, having previously served as a member of the National Australia Bank executive team (2017–2020), the 44th Premier of NSW (2014–January 2017), and the NSW Treasurer (2011–2014), representing the seat of Manly.

He is Chair of Cricket Australia and sits on the Board of Future Generation Australia. He is also an ambassador for Bear Cottage, Southern Youth Family Services and the McKinnon Prize in Political Leadership.