Diane joined the Perenti Board on 16 October 2023 and was subsequently appointed as Chair on 12 March 2024. Prior to becoming a full-time company director in 2009, Diane enjoyed a successful executive career with Westpac Banking Corporation (ASX:WBC), primarily in banking operations, technology solutions and change management roles. Diane was also a Partner of McKinsey & Company.

Diane has extensive Australian and international experience in banking and finance, technology, and strategic and management consulting. Diane is also the Chair of Zip Co Limited (ASX:ZIP) and HBF Health Limited.

Diane chaired previously listed contractor Broadspectrum and served on the Wesfarmers board for more than a decade. She is also a past Chair of the Committee for Economic Development of Australia and served as a director of cooperative CBH and privately held North Queensland Airports.

Diane was awarded an Officer of the Order of Australia (AO) for her distinguished service to business, women’s engagement in executive roles, gender equality and the community in 2019. In January 2025, she was also appointed as Chancellor of the University of Western Australia (UWA).

She is a Fellow of both the Australian Institute of Company Directors and the Governance Institute of Australia and is a past President of Chief Executive Women. Diane is also Chair of the Nomination Committee.