Brynn O’Brien GAICD

Executive Director, Australasian Centre for Corporate Responsibility

Brynn O’Brien is Executive Director of the Australasian Centre for Corporate Responsibility (ACCR). As Executive Director of ACCR Brynn leads a multidisciplinary team that conducts in-depth research, engages and collaborates with major institutional investors, and undertakes assertive shareholder engagement with major listed companies globally. Her purpose is to drive real world emissions reductions across these companies.


Brynn is an experienced lawyer and strategist, with expertise in corporate governance, shareholder engagement and stewardship. In 2022, she was named in The Australian Business Review’s Top 100 Green Power Players, and is a leading commentator on how the corporate sector navigates the climate crisis in Australian and international media.

Under Brynn’s stewardship, ACCR has been part of the successful blocking of the demerger of Australia’s largest corporate emitter, AGL; driven collaborative engagement between major asset owners and Japanese listed companies; and commenced a world first ‘greenwashing’ case against Australian oil and gas producer Santos.

Brynn sits on the supervisory board of Follow This and is a director of Diplomacy Training Program Ltd. Prior to joining ACCR in January 2017, she worked as a consultant and advisor on business and human rights projects and practised as a corporations and international lawyer.

She holds a Master of Law from Columbia Law School and a dual Bachelor of Laws/Bachelor of Medical Science from the University of Technology Sydney.

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