Staff Executive Committee

Stephen Walker - Chief Executive Officer

Stephen has held a number of senior health management positions in both the public and private sector in Australia and New Zealand. He is currently, A board member of the Australian Council of Healthcare Standards (ACHS), A board member of the Australian Private Hospitals Association (APHA), Chairman of the SA branch of the APHA, Chairman of the APHA National Safety and Quality Committee, Member of the Australian Commission of Safety and Quality in Healthcare - 'Private Hospital Sector Committee', An Associate Fellow of the Australian College of Health Service Executives and A member of the Australian Institute of Company Directors.

Stephen holds the following qualifications, Graduate Diploma in Accountancy, Bachelor of Business (Health Management), and an Associate Diploma in Engineering.


Ms Jacquie Wiley - Director Nursing and Clinical Services

Jacquie has experience in public and private healthcare and has worked at St Andrew’s for 20 years in a variety of leadership roles. Jacquie has responsibility for over 450 nursing and allied health staff and has been a clinical lead for the development of the Chemotherapy Suite and the Eastern Clinical Development as well as a pivotal member of the Theatre Masterplan group.  Jacquie has a passion for quality and safety, clinical governance and strategic planning. Jacquie holds formal qualifications in Intensive Care Nursing, Mediation as well as an MBA.


Rebecca Wyness - Director of Human Resources

Rebecca has extensive experience from working in a range of sectors, including legal, information technology, not-for-profit and health, in South Australia, the Northern Territory and Victoria.

Rebecca's diverse background and hands-on, practical approach will allow us to evaluate, refine and continue to develop the Human Resource Management (HRM) framework, processes and initiatives we will need if we are to meet the Hospital's strategic goals and business objectives.


Garry Crispin - Director of Finance

Garry Crispin commenced serving at St Andrew's Hospital as the Director of Finance in July 2012. Garry has experience in both public and private health, having worked for eight years in the SA health service and more recently for three years with the Memorial and Calvary Wakefield Hospitals as the Director of Finance. His keen interest and expertise in costing systems was developed in the manufacturing sector with international market leading corporations (Sola Optical and Tenneco Automotive) over a period of twenty years. After graduating in Accountancy from the University of SA, Garry studied with the Australian Institute of Management to support broader performance at an Executive Management level. He is now augmenting his qualifications through the postgraduate Masters of Health Administration at Flinders University.