Our People and Community.
The Members Health team is elected annually with nominations drawn from its member funds. Once elected, the board of directors elects a chairman and deputy chairman. Our team is invariably expert, professional, caring and dedicated.
Members Health Board Chair
Sharon Waterhouse brings more than 20 years of experience across senior executive and non‑executive director roles in the financial services and health sectors. Her executive career includes senior leadership positions with Phoenix Health, Westpac, St. George Bank and Newcastle Permanent Building Society. Sharon has held a number of governance and leadership appointments, including Chair of University of Newcastle Services Limited, Chair of the Hunter Business Women’s Network, and as an elected Councillor with the City of Newcastle. A long‑standing industry advocate, Sharon is Chair of Members Health Fund Alliance and represents the private health insurance sector on the Private Health Insurance Code of Conduct Committee. She has presented at national and international conferences and has received industry awards recognising innovation and leadership in financial services.Scott Williams
Members Health Board Deputy Chair
CEO, Police Health
Scott Williams is the CEO of Police Health, caring for both the Police and Emergency Services community. Scott has worked within the healthcare industry for 28 years, having commenced his career as a Registered Nurse and holding many clinical and management roles in both the community and hospital setting. Scott has also held a variety of senior executive roles within public and private health across both Australia and the United Kingdom.
Scott is currently serving as a Director on the Adelaide Primary Health Network, Chair of General Practice Registrars Australia and member of the iFHP Clinical Effectiveness & High Cost Drugs Expert Panel.
Lorraine Thomas
Members Health Board Member
Lorraine Thomas is the Managing Director and Chief Executive Officer of HCF, Australia’s largest not‑for‑profit health insurer. Appointed CEO in July 2025, Lorraine brings more than 20 years’ experience in customer‑centred product delivery and business strategy, including over a decade with HCF. She has held senior leadership roles across product, innovation and operations, most recently as Chief Operating Officer. Lorraine is focused on putting members first, strengthening long‑term value and supporting a fair and sustainable health system. As CEO, she is leading the delivery of HCF’s 2030 strategy and working in partnership across the health system. Lorraine serves as a Director of HCF Life, Flip Insurance Pty Ltd, Private Healthcare Australia, Members Health Fund Alliance, the Business Council of Cooperatives and Mutuals, and the Corporate Trustee of the HCF Research Foundation.Simone Tregeagle
Members Health Board Member
CEO, Teachers Health
Simone Tregeagle has spent nearly three decades working across Australia’s private health insurance sector, with experience spanning not for profit, restricted and open funds, and deep roots in industry and union-based health organisations. She brings a long-term system perspective shaped by frontline operations, policy engagement and executive leadership across multiple health fund models.
Teachers Health Group is a not-for-profit health insurer that has supported educators and education workers for over 70 years. The Group includes the brands Teachers Health, Nurses & Midwives Health, Uni Health, TUH and Union Health and provides health insurance and allied health services to over 500,000 members nationally.
Simone has particular interests in strengthening mental health access, improving outcomes for women across life stages, and supporting members to age well through prevention led, community-based health programs.
Simone is Graduate of the Australian Institute of Company Directors, a Director of the Australian Health Services Alliance Ltd, a published co-author of two personal finance books and holds an MBA alongside qualifications in communications, marketing, accounting and governance.
Dr Lachlan Henderson
Members Health Board Member
CEO, HBF
Dr Lachlan Henderson commenced as Chief Executive Officer of HBF Health Ltd in February 2023. He is a qualified medical practitioner who has more than 30 years’ experience in the health industry. Dr Henderson started his career as a General Practitioner where he worked for over a decade. He has since taken on a variety of executive leadership roles in the private health sector including Group CEO of Epworth Healthcare in Victoria and CEO of St John of God Subiaco in Western Australia. In addition to medical and GP qualifications, Dr Henderson has a Master of Health Services Management qualification and is a Graduate of the Australian Institute of Company Directors. During his career, Dr Henderson has held a variety of University and Board appointments, and he is also a Director of Cricket Australia and Private Healthcare Australia (PHA).
Paul Lupo
Members Health Board Member
CEO, St Lukes
Paul has extensive leadership experience across a number of industry sectors including financial services, aquaculture and agriculture. He has managed and led business through significant growth phases and transformational change. Paul is a Director of Australian Regional Health Group and Members Health Fund Alliance and represents St Lukes as a member of Private Healthcare Australia.
Mark Genovese
Members Health Board Member
CEO, Westfund
Mark was appointed CEO of Westfund in 2020, bringing his more than 35 years of experience across the member owned banking sector alongside a wealth of knowledge and expertise in putting communities at the centre of organisational strategy. Prior to joining Westfund, Mark served as CEO of Unity Bank which serviced regional communities in both NSW and Queensland. He also led the Australian Credit Union Movement’s international development activities in the South Pacific and Southeast Asian regions, and domestic development activities including the development of new credit unions and the expansion of existing credit union services within rural and regional Australia.
Throughout his career, Mark has held several leadership positions with different credit unions and spent 17 years at Australia’s peak credit union body, Credit Union Services Corporation Australia Limited (Cuscal), 9 of which were as a Director. Mark is also a Director of Coal Services who provide workers compensation, health and mine rescue services to the NSW Coal Industry.
Matthew Koce
Members Health CEO
Matthew has been CEO of Members Health since March 2014 over which time the association has grown to 25 health funds covering more than 5 million lives. Matthew is a member of the Private Health Ministerial Council and has sat on a range of other government committees and groups. These have included the Federal Health Minister’s Industry Working Group on Private Health Insurance Prostheses Reform.Members Health is part of a broader community that supports putting people’s health before profits.
Members Health has played an integral role in supporting the groups below.
The Australian Health Service Alliance Ltd (AHSA):
The Australian Health Service Alliance Ltd (AHSA) is a service company representing a number of small to medium-size private health insurance funds. The company was formed in 1994 to provide management services to these funds throughout Australia. By pooling their resources and creating AHSA, participating insurance funds are able to respond more effectively to the numerous changes occurring in the private health industry.
The Australian Regional Health Group Ltd (ARHG):
The Australian Regional Health Group Ltd (ARHG) was formed in 1994 by a group of health insurance funds operating in predominantly regional areas. These insurance funds saw benefits in coming together to discuss matters of common interest, and to share and develop initiatives which provide mutual benefits for their members.
Hospital and Medical Benefits System (HAMBS):
HAMBS supplies and supports the Hospital and Medical Benefits System application – a sophisticated and user-friendly software and information technology solution for the private health insurance industry in Australia. HAMBS has over 80 professional staff servicing more than 20 health insurance funds.
















