Bill is a retired partner of PwC, having been a partner for 18 years. For his last eight years he led the PwC Australia Risk and Quality Group, which was responsible for risk management and quality control, including methodologies and technologies, across all of the firm's business units. He served on PwC's Global and Asian Risk and Quality Leadership Teams. He also spent six years leading the PwC Australian Professional Standards Group responsible for the firm's financial reporting and auditing policies and advice. He was also previously Chair of the Australian Auditing and Assurance Standards Board.
Bill was appointed Chair on 29 April 2016; reappointed from 29 July 2019 to 28 July 2022 and has been a member of the FRC since July 2014.