Mr Wilks became Finance Director and Chief Financial Officer of Sonic Healthcare in 1993. He has a background in chartered accounting and investment banking and was previously a partner in a private investment bank. Mr Wilks has held directorships in a number of public companies and is currently a nonexecutive Director of Silex Systems Limited (since 1988), a listed company divested by Sonic in 1996.

Dr Goldschmidt is the CEO and Managing Director of Sonic Healthcare. He is a qualified medical doctor who then undertook specialist pathology training in Sydney, before gaining his qualification as a specialist pathologist in 1986. Dr Goldschmidt became CEO of Sonic in 1993 and has led Sonic's global expansion by committing the Company to a model of Medical Leadership, which incorporates operational and cultural attributes.

Prof Compton has senior executive experience in healthcare services. His previous experience includes Chief Executive Officer of each of St Luke's Care, Immune Systems Therapeutics Limited and the Royal Flying Doctor Service of Australia. He was also Chief Executive Officer and Managing Director of the formerly ASX-listed companies SciGen Limited and Alpha Healthcare Limited. Prof. Compton has also held a number of non-executive director roles, including for formerly ASX-listed Independent Practitioner Network Limited, Chairman of the Woolcock Institute of Medical Research, nonexecutive Director of Macquarie University Hospital and Chairman and Chancellor of St John Ambulance Australia (having served as a volunteer for more than 45 years). In recognition of his work in the healthcare sector and his service to the community, he was awarded the Centenary Medal of the Commonwealth of Australia, appointed by Her Majesty the Queen as a Knight in the Order of St John in 2004 and as Bailiff Grand Cross in 2017, and was appointed as a Member of the Order of Australia (AM) in January 2010.

Dr Dubois is CEO of Sonic's Imaging Division and Chairman of the Sonic Imaging Executive Committee. A neuroradiologist and nuclear imaging specialist, he is currently an Associate Professor of Radiology at the University of Queensland Medical School. He has served on numerous government and craft group bodies, including the councils of the Royal Australian and New Zealand College of Radiologists and the Australian Medical Association, and as Vice-President of the Australian Diagnostic Imaging Association. He is a non-executive Director of Magnetica Limited (since December 2004).

Mr Mitchell was Chief Financial Officer and Company Secretary of ASX-listed Cochlear Limited (until March 2017), a medical device developer, manufacturer and seller of hearing devices. Mr Mitchell was a key Member of Cochlear's executive team, responsible for the setting and execution of the company's growth strategy from its listing in 1995 until his resignation. Mr Mitchell currently holds non-executive director roles with ASX-listed healthcare companies Fisher and Paykel Healthcare Corporation Limited (from November 2018) and Osprey Medical Inc. (from July 2012). He is a non-executive Director of QBiotics (from November 2017), an unlisted public company, and a Member of the Australian Board of Taxation. Mr Mitchell was previously a non-executive Director of ASX-listed Sirtex Medical Limited (from April 2017 to September 2018). He has also previously performed roles with a number of industry and government committees, including Chairman of the Group of 100 (Australia's peak body for senior finance executives), and Chairman, Standing Committee (Accounting and Auditing), for the Australian Securities and Investments Commission (ASIC).

Mr Panaccio is a Chartered Accountant with executive management experience in business and healthcare services. Mr Panaccio is currently on the boards of ASX-listed companies Avita Medical Limited (non-executive Chairman from July 2014) and Rhythm Biosciences Limited (non-executive Director from August 2017). He is also a non-executive Director of Unison Housing Limited, Invictus Biopharma Limited and NeuralDx Limited. Mr Panaccio was the Chief Executive Officer and executive Director of Melbourne Pathology (acquired by Sonic in 1999) for 10 years to 2001, the Chief Executive Officer of Monash IVF until 2009 and the executive Chairman of Health Networks Australia until 2017. He was also a non-executive Director of ASX-listed Genera Biosystems Limited from November 2010 until 28 June 2019 (Chairman from July 2011 until 28 June 2019).

Dr Wilson is an independent non-executive Director with a background in finance, banking and medicine. She is a registered General Medical Practitioner. Dr Wilson is currently a Guardian of the Future Fund, non-executive Director of ASX-listed companies Transurban Group (since January 2017) and Costa Group Holdings Limited (from April 2019), and a non-executive Director of the General Sir John Monash Foundation. She is also Co-Chair of the Australian Government Advisory Board on Technology and Healthcare Competitiveness. Dr Wilson was Deputy Chancellor of the University of Queensland and has previously served on boards of ASX-listed companies, government-owned corporations and not-forprofit companies. Dr Wilson was awarded the 2016 Australian Institute of Company Directors Queensland Gold Medal Award for contribution to business and the wider community.

Professor Crowe has more than 30 years of experience as a clinical researcher. She was an integral part of Burnet's development as a HIV research organisation and held many leadership roles including Program Director, Healthy Ageing and Head of the Centre for Virology. She retired as Principal Specialist in Infectious Diseases at The Alfred Hospital, Melbourne in 2019 after 35 years of service. She was appointed as a Member of the Order of Australia (AM) in 2011 in recognition of her services to medical research in HIV/AIDS medicine and infectious diseases as an academic, clinician and researcher, and to professional associations.

Ms Spargo has gained business experience as both a legal advisor, having worked in private practice and government, and as a director. Ms Spargo has been a director of both listed and unlisted companies over the last 20 years and her current directorships include the ASX-listed companies CIMIC Group Limited (from September 2017), Adairs Limited (from May 2015) and Sigma Healthcare Limited (from December 2015). She is also a non-executive Director of CoInvest Limited, the Future Fuels Cooperative Research Centre, and Geelong Football Club Limited. Ms Spargo was previously a non-executive Director of Fletcher Building Limited (March 2012 to September 2017), UGL Limited (October 2010 to January 2017) and Xenith IP Group Limited (from April 2017 until 15 August 2019).

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