Marie McDonald is an Australian corporate and commercial lawyer, company director, and former senior partner of Ashurst, formerly Blake Dawson. She has advised on major mergers and acquisitions, chaired the Law Council of Australia's Corporations Committee, served on the Australian Takeovers Panel, and held non-executive directorships in the biotechnology, medical technology, agricultural chemicals, and medical research sectors.
Background
Marie McDonald is based in Victoria, Australia. Before entering legal practice, she completed a Bachelor of Science with first-class honours, majoring in chemistry. She subsequently studied law at the University of Melbourne, graduating with Bachelor of Laws with honours. Her scientific and legal training preceded a career focused on corporate and commercial law, mergers and acquisitions, corporate governance, and the governance of major Australian companies and research institutions.
Education
McDonald studied at the University of Melbourne, completing a Bachelor of Science with first-class honours, with a major in chemistry, before obtaining a Bachelor of Laws with honours. Her education combined scientific training with legal study and preceded her specialization in corporate and commercial law, cross-border mergers and acquisitions, and corporate governance.
Career
McDonald practised corporate and commercial law for more than three decades. She became a partner of Blake Dawson Waldron in 1990 and later served as a senior partner of Ashurst after the firm adopted the Ashurst name, remaining with the practice until July 2014. She specialized in mergers and acquisitions, corporate governance, and commercial law, and held the position of national head of the firm's mergers and acquisitions practice. Her work included advising on major transactions involving Australian and international companies, including Alinta's infrastructure initial public offering, PetroChina's proposed joint venture bid for Arrow Energy, and the proposed merger between BHP Billiton and Rio Tinto. After leaving private practice, she developed an extensive non-executive career. She joined the CSL board in August 2013 and served until October 2025, and she has also served as a director of Nanosonics, Nufarm, and the Walter and Eliza Hall Institute of Medical Research. She joined the Telix Pharmaceuticals board in March 2025 and remains a non-executive director of Nanosonics and Nufarm.
Achievements
Served as national head of the mergers and acquisitions practice at Blake Dawson and Ashurst.
Led legal teams advising on major Australian and cross-border transactions, including Alinta's infrastructure initial public offering, the proposed PetroChina bid for Arrow Energy, and the proposed BHP Billiton–Rio Tinto merger.
Built a substantial post-practice governance career through non-executive directorships in biotechnology, medical technology, agricultural chemicals, and medical research.
Membership
McDonald has participated in major Australian corporate-law and governance bodies. She was a member of the Australian Takeovers Panel from 2001 to 2010, deputy chair of the Corporations Committee of the Business Law Section of the Law Council of Australia in 2010 and 2011, and chair of that committee from 2012 to 2013. She is a member of the Australian Institute of Company Directors' Law Committee and has served on the Melbourne University Law School Foundation Board since 2021.
Served as a panel member.
Australian Takeovers Panel
,
Australia
2001 - 2010
Served as deputy chair in 2010–2011 and chair in 2012–2013.
Law Council of Australia, Business Law Section Corporations Committee
,
Australia
2010 - 2013
Serves as a committee member.
Australian Institute of Company Directors, Law Committee
,
Australia
Serves as a foundation board member.
Melbourne University Law School Foundation Board
,
Australia
2021 - present
Connections
McDonald's professional connections have included the Australian Takeovers Panel, the Law Council of Australia's Business Law Section, the Australian Institute of Company Directors, the University of Melbourne, and the boards of CSL, Nanosonics, Nufarm, Telix Pharmaceuticals, and the Walter and Eliza Hall Institute of Medical Research.
References
Nufarm: Marie McDonald
Documents McDonald's legal career, board appointments, committee memberships, and service on the Australian Takeovers Panel and Law Council of Australia's Corporations Committee.
CSL Annual Report 2026
Documents McDonald's service as a CSL non-executive director from August 2013 until her retirement on 28 October 2025.
2026
Walter and Eliza Hall Institute Annual Report 2016
Documents McDonald's education, legal career, service on the Australian Takeovers Panel, Law Council committee leadership, and appointment as a WEHI director.