Amanda McMillan OBE

Appointed 1 January 2026

Amanda has extensive governance experience as a Non-Executive Director and Chief Executive Officer across major infrastructure, transport, and utilities organisations.

She is currently a Non-Executive Director on the Boards of Perth Airport, Western Sydney International Airport, and CHIF Investments, the holding company of Ballarat Water.

Amanda’s previous roles include Non-Executive Director of One Rail Australia Pty Ltd (2020-2022), Senior Managing Director within Macquarie Asset Management’s infrastructure team (2018-2025) and Chief Executive Officer of AGS Airports Limited, one of the UK’s leading airport groups that operates Aberdeen, Glasgow and Southampton airports (2014-2018).

Prior to her career in infrastructure, Amanda worked for the global beverage company Diageo and KPMG in financial and operational leadership roles.

Bachelor of Accountancy from Glasgow University 

• Audit, Governance & Risk Management Committee
• Safety, Health & Environment Committee
• Nomination & Succession Committee