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).

Karen has been a fundraiser and development director for institutions including Australian National University, Macquarie University, Monte Sant’ Angelo Mercy College, Kincoppal Rose-Bay School of the Sacred Heart, St Augustine’s College and Hammond Care.

As a fundraiser, Karen has mostly recently worked in major giving but has experience and expertise in capital campaigns, gifts in wills, annual giving and events. As a former medical and industrial relations journalist, Karen also has a broad experience in communication, media training, marketing, and strategic planning.

Karen holds an MBA from the Macquarie Graduate School of Management and a Bachelor of Arts (Communications) from the University of Technology, Sydney. In 2017, she attained her Certificate of Fund Raising Executive (CFRE), an internationally-recognised certification for fundraisers. Karen volunteers for numerous charities, including a directorship for a women’s domestic violence refuge in Sydney and is a Rotarian for the Rotary Club of Wahroonga.

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. 

He is a former member, Advisory Panel for the Board of Taxation, a former member of the Federal Government’s Small Business Consultative Committee, a former Chairman, NSW Public Practice Committee, CPA Australia and former National Chairman, Small Business Centre of Excellence, CPA Australia. Greg is a Fellow of CPA Australia, a Chartered Tax Adviser of the Taxation Institute of Australia and a Fellow of the Australian Institute of Management.

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.

Her current role is with ABC TV News as a Producer on 7 PM and National Desk. Jebby has been involved in local hospital and healthcare for a number of years including a community member of Hornsby Ku-Ring-Gai Hospital Community Participation Committee, community member of the Sydney North Local Health District Community Board, community member of the NSW Medical Board, community member of the NSW Dental Council and community member of two Therapeutic Goods Administration Expert Committees.

He was a Partner at Deloitte, leading the firm’s actuarial health practice and the firm’s health insurance sector. Stuart is a member of the Institute of Actuaries of Australia’s Health Practice Committee (previously its Convenor) and a Board Member of the International Actuarial Association’s Health Section. He is a Fellow of the Institute of Actuaries Australia and a Graduate of the Australian Institute of Company Directors.

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.