Mr MacDonald was formerly the Managing Director of Zinfra and prior to that held several senior executive roles in Transfield Services Limited, including Chief Executive Officer for Marketing and Investments where he led mergers and acquisitions including their integration and transformation, Chief Executive Officer of Transfield Services Infrastructure Fund and Chief Strategy Officer. Mr MacDonald is currently a Non-executive Director of Ausgrid, Chair of ERIC Alpha Holdings and its subsidiaries, Chair of Intera Renewables and a member of Palisade Investment Partners Investment committee and the Water NSW Asset Advisory Group. He is member of risk committee, Project Governance committee, and Zero Harm committee.