Non-Executive Director

Ms Turnbull is a distinguished Australian businesswoman, philanthropist and former local government politician. With a background in commercial law and investment banking, she was the first female Lord Mayor of the City of Sydney from 2003 to 2004 and has served on the boards of the NSW Cancer Institute,  the Sydney Children's Hospital Foundation, the Sydney Cancer Centre and the Sydney Festival.

In 2011, Ms Turnbull was appointed an Officer of the Order of Australia for her service to the community, local government and business, including through her philanthropic contributions and fundraising for a range of medical, social welfare, educational, youth and cultural organisations. From 2015 to 2020 she served as the inaugural Chief Commissioner of the Greater Sydney Commission, a NSW state government body focused on delivering strategic planning for the whole of metropolitan Sydney.

Ms Turnbull rejoined Immutep’s Board in February 2022, having previously served as its Chairman from October 2010 to November 2017, stepping down from the role only due to her elevated professional and personal commitments at the time.