Our board

With 40 years experience in the construction industry, Dieter held various senior accounting and commercial positions within hte Leighton Group and was appointed CFO in 1986. He retired as a Director of Leighton Holdings in November 2010 and as Chairman of Leighton Contractors Pty Ltd and Chairman of Leighton Asia Limited in February 2011.

He is a former Director of the Committee for Economic Development of Australia (CEDA), life member of Financial Executives International of Australia, Member of the University of New South Wales Business Advisory Council and Fellow of the Australian Institute of Company Directors, and formerly a Member of the Trade Advisory Council.

Dieter has a strong belief in giving back to the community and sharing knowledge through mentoring.

His interests include health and wellbeing, hiking, tennis, skiing and golf.

He is currently Chair of ANDHealth, Australia’s digital health accelerator and the Australian Co-Chair of the Health Technology Sector Group of the Australia/NZ Leadership Forum. Gavin is also a member of the Male Champions of Change (MCC) in STEM and Health, and a Board Member and Ambassador for Bowel Cancer Australia and Rotary Oceania Medical Aid for Children (ROMAC).

Brett has a positive personality and a unique combination of commercial instinct, academic knowledge, experience, well developed networks, and industry knowledge. 

Prior to his appointment as CEO of Adventist HealthCare in June 2018, Brett was General Manager Hospitals and Deputy CEO for Adventist HealthCare (2014 – 2018), CEO Mayo Private Hospital Taree (2012 – 2014), CEO/DON – Toronto Private Hospital NSW (2008 – 2012), Manager Perioperative Services – The Mater Private Hospital North Sydney (2002 – 2008), and Director Perioperative Services – Sydney Adventist Hospital (1999 - 2002). In addition, Brett has served on the APHA Finance Audit & Risk Committee since February 2018. 

As an accountant in public practice he specialises in corporate finance and transaction advice. 

He is a former member of the Advisory Panel for the Board of Taxation and the Federal Government’s Small Business Consultative Committee. Active in his professional body he is a former national chairman of the Small Business Centre of Excellence for CPA Australia and also a former chairman of the NSW Public Practice committee.

Greg is a Fellow of CPA Australia and a Chartered Tax Adviser of the Taxation Institute of Australia.

He has been the lead real estate lawyer on a significant number of recent State government-led urban regeneration projects and projects that have been inextricably linked to significant government infrastructure. Greg has a Masters of Laws from New York University and Bachelor of Laws / Bachelor of Business from University of Technology, Sydney.

Harnessing her extensive international marketing and business acumen, her focus lies in formulating and executing sustainable business strategies, fostering a philanthropic culture at all organizational levels, and enriching the communities we serve.

 He was a Partner at Deloitte, leading the firm’s actuarial health finance practice and the firm’s health insurance sector. Stuart is a Director of CBHS Health Fund Limited. He was a member of the Institute of Actuaries of Australia’s Health Practice Committee (previously its Convenor) and was a Board Member of the International Actuarial Association’s Health Section. Previously he was a Director on the board of a UK Life Insurance company. He is a Fellow of the Institute of Actuaries Australia and a Graduate of the Australian Institute of Company Directors. Having lived in Kuring-Gai for 36 years, Stuart has a longstanding and deep respect for the San and what it stands for.

The company is now one of Australia's leading vaccine manufacturers with strong collaborative research with Australian Universities and institutions and exports its novel live vaccines globally.

Using a unique business model based on product specified collaborative research in Australian institutions, in house R&D, scale up, regulatory management, savvy market knowledge and an extensive personal network, the company is now Australia's leading privately owned veterinary biological vaccine company.

He has had an association with the San since his birth at the hospital in 1955 as have his parents, who have provided voluntary service over decades. He brings to the Board a passion for establishing sustainable long term financial support of the San's unique, patient focused care through the fundraising work of the Foundation.

In May 2008 he was awarded a Doctor of Applied Science, Honoris causa from RMIT in recognition of his role in commercialising Australian R&D.