Hon. Robert Hill AC

Robert was the former Federal Liberal Minister for the Environment in the Howard Government. He also served as Government Leader in the Senate and as Minister for Defence and was previously Ambassador to the United Nations. He is an Adjunct Professor in Sustainability and Co-Director of the Alliance 21 project at the United States Studies Centre at the University of Sydney. He is also a Commissioner of the Global Ocean Commission. He previously held the role of Chairman of the Australian Low Carbon Trust and Low Carbon Australia.


Hon. Nick Greiner AC

Nick Greiner was Premier and Treasurer of NSW from 1988-1992. He is Chairman of Council of Advisors, Rothschild & Co. and Chairman of Advisory Board, Crosby Textor. He is a Director of SGSP (Australia) Assets Pty Ltd and Northern Gas Pipeline Jemena. He is Director of CPE Capital (formerly CHAMP Private Equity), and of Marand Precision Engineering, Jaybro and Banksmeadow Recycling. Nick is Federal President of the Liberal Party and a Member of the CEDA Leadership Council.


Hon. Philip Ruddock AO

Philip served continuously in Cabinet during the Howard Government as Minister for Immigration, Multicultural & Indigenous Affairs and then as Attorney General. He is the second longest-serving Parliamentarian in the history of Australian Parliament. He is the President of the NSW Division of the Liberal Party of Australia. Philip is currently the Mayor for Hornsby.


Chris McDiven AM

Chris was the former State President of the Liberal Party (NSW Division), and was the first female Federal President of the Liberal Party, and as such led the Party through most of the Howard Government. Currently, she is the Chair of the Together for Humanity Foundation. In addition, she chaired the Powerhouse Museum Fundraising Committee for five years and has been a Board member of the Rotary Club of Sydney for many years.


Hon. Robyn Parker

Robyn was the Liberal NSW Minister for the Environment and Minister for Heritage in the O’Farrell Government. She is currently a Non-Executive Director of Taronga Conservation Society and Chief Executive Officer of Delphis Australia


Hon. Malcolm Turnbull

Malcolm was Australia’s 29th Prime Minister (2015-2018) and had international careers in law, business and the media before entering politics at the age of 50. As Prime Minister, he reformed Australia’s personal income tax, education and childcare systems, oversaw the legalisation of same sex marriage and announced the construction of the biggest pumped hydro scheme in the southern hemisphere. Since leaving politics, Mr Turnbull has resumed his business career, including as a senior adviser at KKR and speaks regularly at global conferences.


Lucy Turnbull AO

Lucy is an urbanist, businesswoman and philanthropist with a longstanding interest in cities, and technological and social innovation. She was the first female Lord Mayor of the City of Sydney from 2003-4 and in 2011 she became an Officer of the Order of Australia for distinguished service to the community, local government and business. In 2015 she was appointed Chief Commissioner of the Greater Sydney Commission.