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Rebecca Gilsenan

Executive Director, Principal Lawyer
Rebecca Gilsenan

Rebecca is one of Australia’s leading plaintiff class actions lawyers.

Practice Area

Class actions



Best Lawyers lists Rebecca as one of the top class actions lawyers in Australia. She is recognised in Doyle’s Guide as a leading dispute resolution and commercial litigation lawyer. 

Rebecca is an experienced director and currently holds a number of governance roles. She is on the board of Maurice Blackburn, she is the chair of the Public Interest Advocacy Centre and the chair of the University of New South Wales Law School’s Law Advisory Council.

Rebecca’s major cases have included the Brisbane Floods mass tort class action, the Amcor & Visy price fixing class action, securities actions against Leighton and CIMIC and the landmark High Court decision D’Arcy v Myriad Genetics Inc in which human gene patents were declared invalid.

Rebecca also acts for Greenpeace Australia Pacific Limited.

Memberships & accreditations

  • Chair, Public Interest Advocacy Centre
  • Chair, UNSW Law School Advisory Council
  • Director, Maurice Blackburn, Pty Ltd
  • Graduate, Australian Institute of Company Directors Company Directors Course


  • Doyles Guide 2022 Leading Lawyer for Litigation and Dispute Resolution, NSW
  • Doyles Guide 2022 Leading Class Actions Lawyer Australia
  • Best Lawyers, Class Actions Lawyer of the Year, 2020 Sydney
  • Listed by the AFR Best Lawyers since 2016 as one of the best class action lawyers in Australia
  • Listed by Doyle’s Guide since 2017 as a leading Commercial Litigation and Dispute Resolution Lawyer
  • Lawyers Weekly Partner of the Year Pro Bono Award finalist, 2016
  • Lawyers Weekly Women in Law Pro Bono Award finalist, 2015
  • NSW Women Lawyers Partner of the Year finalist, 2015

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We have lawyers who specialise in a range of legal claims who travel to Australian Capital Territory. If you need a lawyer in Canberra or elsewhere in Australian Capital Territory, please call us on 1800 675 346.

We have lawyers who specialise in a range of legal claims who travel to Tasmania. If you need a lawyer in Hobart, Launceston or elsewhere in Tasmania, please call us on 1800 675 346.