Our Leadership
Beth McKenzie
Chief Executive Officer
I’m excited at the breadth of opportunity for GPEx to enhance primary care supported by advanced digital capability and comprehensive expertise in care models, education, evaluation and workforce planning.
Beth’s 30-year career across commercial and education sectors honed her expertise in transforming business processes, scaling operations, and ensuring financial sustainability. With a background as a Chartered Accountant (CAANZ), she has driven impactful change and performance through senior leadership roles.
Appointed CEO of GPEx in September 2025, Beth continues to lead through a financial accountability lens with a focus on having effective systems, processes, and people in place to achieve sustainable and measurable growth.
Beth successfully led finance and business operations during a period of significant growth at South Australian miner, Murray Zircon; and at TAFE SA, she oversaw complex financial and operational frameworks, including shifting thousands of students and staff to learn and work from home during Covid.
Catherine Zuo
Chief Financial Officer
Financial stewardship drives sustainable growth and innovation. By maximising efficiency and strategic investment, we empower clinical, educational, and technological excellence that shape the future of health in Australia and strengthen primary care, its workforce, and the communities we serve.
With over two decades of expertise in corporate finance and strategic leadership primarily within the education and training sector, Catherine is a highly accomplished finance professional, recognised for delivering precise financial analysis that informs executive decision-making. As Chief Financial Officer of a dynamic training company at GPEx, she applies her extensive experience in financial management, operational efficiency, and stakeholder engagement to drive strategic growth.
Catherine’s prior leadership roles include Manager of Financial Services at the University of South Australia, where she oversaw enterprise-wide financial operations and contributed to the landmark merger with the University of Adelaide. Previously, as Finance Manager at TAFE SA, she played a pivotal role in optimising financial operations and fostering a high-performance culture.
Holding an MBA and CPA accreditation, Catherine is committed to financial excellence, risk management, and advancing innovative business strategies to support organisational success.
Sarah Hills
Governance Lead and Company Secretary
I am excited to support our people here at GPEx so they work in an environment with contemporary HR standards where they feel looked after, which in turn reflects the desire for innovation and excellence in what GPEx does in the primary care space.
Sarah works with the GPEx Board and Executive leadership to ensure strong corporate governance, compliance, and strategic HR management that supporting the organisation through change and growth.
With a background in law and HR, Sarah is experienced in employment law, industrial relations, organisational effectiveness, and culture change. She is passionate about mental health, and her work reflects her commitment to employee wellbeing.
Sarah was previously a Senior Human Resources Consultant at an HR advisory firm and Business Services Manager at the South Australian Wine Industry Association Inc., where she managed business consultancy, advocacy, and workplace relations.
Melissa Palmer
Head of Education and Innovation
I am passionate about what I do and I am always looking to reimagine the way we deliver education to support current and emerging health care professionals.
Melissa has seen education from every angle, from teaching, course design, and development and as an assessment specialist, across TAFE and private training organisations. Her expertise spans high-level assessment creation, content design, project management, quality assurance, and mentoring.
Melissa also brings leadership expertise, having been Director of a small learning design organisation. She has led teams in delivering large projects driving instrumental change in vocational education across Australia.
Melissa’s goal is to reimagine learning and assessment, sparking creativity and exploring new technologies that put GPEx at the forefront of primary health care education.
Leanne March
General Manager Models of Care
My focus lies in improving clinical care by translating discoveries into practice, with the ultimate goal of advancing towards a research and digitally enabled organisation supportive of primary care.
Leanne combines her clinical expertise and business acumen to drive effective healthcare initiatives and Shared Care models.
With more than three decades’ experience as a Registered Midwife, a Master of Business Administration and a Diploma in Accounting, Leanne’s expertise spans patient journey mapping, organisational governance, change management, service design, financial management, project execution, and strategic planning.
Committed to delivering top-tier patient care while supporting healthcare professionals, Leanne has overseen notable grants and healthcare programs, including the SA Statewide GP Obstetric Shared Care Program, the SA GP ADHD Shared Care Program, and the GP Palliative Shared Care Program.