David Epstein is Principal of Vigot & Co, Chair of Communications Compliance Ltd, and an adjunct professor within the Deakin University Business school. He was formerly Vice President, Corporate and Regulatory Affairs at Optus. Prior to joining Optus, David was Group Head of Public Affairs at BHP Billiton. David has worked at Qantas Airways Limited where he was the inaugural Group Executive, Government & Corporate Affairs. He has extensive experience in Australian Federal Government, having served as Chief of Staff to the Prime Minister immediately prior to joining Qantas.