Our Executive Leadership Team

Simone Tregeagle was appointed Group Chief Executive Officer of Teachers Health Group in July 2026, having joined the organisation as Chief Customer Officer in 2024. With nearly 30 years’ experience in Australia’s private health insurance sector, Simone has held senior leadership roles across mutual and not-for-profit health funds, including as CEO of RT Health and Transport Health. Her experience spans strategy, customer experience, operations, brand and communications, with a strong focus on delivering better outcomes for members.

A passionate advocate for preventative health, affordability and member-first care, Simone is committed to ensuring Teachers Health Group continues to reinvest in the health and wellbeing of members and communities. She is known for her accessible leadership style, commitment to innovation and deep alignment with the organisation’s values and purpose. Simone holds an MBA and qualifications in communications, marketing, accounting and governance, and is the published co-author of two personal finance books.

Joseph leads Teachers Health Group's Health Businesses division, overseeing Health Centres, Healthcare Services, property and facilities, procurement, operational integration, and other emerging operational functions across THG. His team delivers dental and optical services, care coordination, and health management support for members, while also leading the organisation's property strategy and operational integration activities.

Since joining THG in 2007, Joseph has held several senior leadership roles, including Deputy CEO and Chief Financial Officer, and CEO of Subsidiary Businesses. He brings more than 18 years of health insurance industry experience, with expertise in financial management, business analysis, strategy, and operational leadership.

Joining us in 2025, Sarah is responsible for overseeing Teachers Health Group’s financial strategy and performance. She brings together financial planning, compliance, investment, data and actuarial expertise to ensure robust governance and long-term sustainability for the organisation.

Sarah is a chartered accountant and chartered secretary who has held senior and executive positions across a range of industries and sectors, including ASX-listed entities and government-owned corporations.

Having been with Teachers Union Health since 2006, Sarah has held executive roles in the areas of finance, data analytics and pricing, strategy, people and culture, ICT and claims integrity.

Sarah participates in a number of PHI forums and events, including chairing the Members Health CFO group. She is also a Director and Chair of the Risk Committee of WorkCover Qld.

Paul’s appointment brings together Transformation and Digital alongside Claims and Membership Services. This integrated function reflects Teachers Health Group’s commitment to making healthcare simpler and more accessible for members. Paul leads the delivery of digital and operational improvements that strengthen service quality and better support frontline teams.

Paul joined Teachers Union Health in 2017 and transitioned into THG following the merger with Teachers Health in 2025. He plays a key role in shaping and delivering a strategic vision centred on digital innovation. His leadership integrates AI, data and analytics with business support functions to enable smarter decision-making and a culture of continuous improvement.

With over 20 years of executive experience in the insurance industry, Paul has a proven track record of leading complex transformations across operations, cybersecurity and organisational culture.

Tatiana Papavero was appointed Chief Customer Officer in July 2026, bringing together Marketing, Partnerships & Stakeholders and Growth. In this role, Tatiana leads a connected approach to brand, member experience and growth, ensuring Teachers Health Group continues to build deeper relationships with members and deliver relevance in moments that matter.

Tatiana joined THG in 2025 as Group Head of Marketing. With previous marketing leadership positions at HCF, McDonald’s and Woolworths, Tatiana has built a reputation for delivering measurable growth, leading brand transformation and developing high-performing teams. Her deep expertise in the sector and innovative eye sets us up extremely well to drive business performance and deliver outstanding value and experience for our members.

Cosimo is responsible for bringing together Actuarial Pricing, Business Intelligence, Product and emerging member health initiatives, with a clear focus on delivering meaningful, sustainable value for members. At a time when member expectations are rapidly evolving, this function will play a critical role in ensuring Teachers Health Group continues to offer products and services that reflect real member needs.

Cosimo joined THG in 2021 as Senior Actuary, where he led initiatives to streamline reporting, support major regulatory change, and enhance the value and adoption of enterprise data and analytics platforms. With almost two decades in the insurance sector, he has deep expertise in pricing and commercial strategy. He is recognised for strong leadership, relationship-building and the ability to adapt to evolving products and markets. Cosimo has worked with clients across global markets, building trusted partnerships and delivering sustainable outcomes through a collaborative and customer-focused approach.

As our Chief Information Officer, Anthony is responsible for delivering the strategy, security and management of technology services across the organisation.

Overseeing the Information Services department, Anthony and his team work as internal business consultants to support the entire organisation with projects aimed at improving our infrastructure, software, customer resource management and system support.

With more than 20 years’ experience working in private health insurance, Anthony has extensive experience ranging from start-ups to large corporate insurers. Anthony actively involves himself in industry-wide developments and participates frequently in industry forums.

Joining us in 2021, Bernadette is responsible for every aspect of the employee lifecycle, including all areas of work, health and safety.

Bernadette oversees a team of professionals, analysts and business partners in the area of people, learning, development and culture.

With more than 25 years’ experience in Human Resources, Bernadette’s extensive knowledge has been gained in senior roles across financial services and banking, as well as the FMCG industry and international logistics, both in Australia and overseas.

Bernadette is passionate about member-based organisations and ensuring employees are well-equipped, developed and engaged to support the requirements of our members.

Penny was appointed our General Counsel in 2012, following more than 30 years’ experience in general commercial law, corporate governance, and mergers and acquisitions. She was appointed Company Secretary in 2024.

Penny acts as an internal consultant, providing advice on commercial and legal issues to support effective decision-making. She was involved in the establishment of the Teachers Health Foundation, the establishment of Nurses & Midwives Health, and the merger with Teachers Union Health.

Greg joined us in 2017. He is responsible for overseeing the ongoing development of an effective approach to managing risk – driven through our people – that creates value for the organisation and our members, and is supported by a strong risk culture.

Prior to moving into private health insurance, Greg had an extensive career in the general insurance industry, working for several large and well respected local and multinational general insurers.