Our Executive Team

Sean Bilton, Chief Executive Officer and Managing Director

Sean Bilton, Chief Executive Officer and Managing Director

Appointed CEO and Managing Director of Estia Health in July 2022, Sean previously served as Chief Operating Officer and Deputy CEO since October 2018. 
As COO, Sean led the Workforce, Funding and Procurement Teams, together with P&L responsibility for Estia Health's homes. He oversaw the successful commissioning of three new homes and consideration of future growth opportunities. His leadership through a complex period of change during the COVID-19 pandemic and the Aged Care Royal Commission ensured Estia Health’s resilience.

Sean worked with the Chief People Officer to develop and implement Estia Health’s employee attraction and retention strategy. He embodies Estia Health’s values, ensuring the purpose “To enrich and celebrate life together” guides all decisions.

With over 15 years' industry experience, Sean started as an Asset Manager at AMP Capital, managing the integration of multiple acquisitions that formed Opal Healthcare. As Head of Commercial at Opal from 2010, Sean oversaw business growth through acquisitions, development, customer acquisition, communications and marketing.  

Sean holds a Bachelor of Economics from UNSW, is a Fellow of the Financial Services Institute of Australia and a graduate from the Advanced Management Program at INSEAD.

<p>Damian Hiser, Chief Operating Officer</p>

Damian Hiser, Chief Operating Officer

Appointed as Chief Operating Officer of Estia Health, in July 2022, Damian Hiser, is a senior healthcare executive, with more than three decades experience in the private health care sector both overseas and in Australia and most recently over ten years in aged care in Australia. Prior to his appointment as the COO, Damian was our Chief Customer Officer from October 2017. Throughout the past two years Damian was instrumental in leading Estia Health’s response to COVID.

Damian brings a wealth of experience, financial acumen, and understanding of the complexities of both health and aged care systems. With a unique ability to look at opportunities to improve both the customer and employee experience, Damian embodies Estia Health’s purpose “To enrich and celebrate life together”.

As Chief Operating Officer, Damian is responsible for leading Estia Health's operations teams, initiating improvements to ensure the highest level of care is delivered to over 8,000 residents in our homes annually. Damian ensures that every one of our 70+ homes engage with their local communities and delivers exceptional and compassionate care for all our residents and their families.

Damian holds a Bachelor of Optometry (UNSW) and a Master of Business Administration (UTS).

<p>Ciara Rocks, Chief Customer and Commercial Officer</p>

Ciara Rocks, Chief Customer and Commercial Officer

Ciara Rocks serves as the Chief Customer and Commercial Officer at Estia Health. With over 20 years’ experience in sales, marketing, customer experience and operations across various sectors including health, utility and finance, Ciara is an experienced executive leader. Her extensive background includes key leadership roles where she consistently demonstrated her ability to set and execute strategic business initiatives, achieve budgeted revenue goals, and exceed customer service targets. 

Ciara is a natural people leader, with a strong commitment to galvanising both small and large teams to drive performance, manage change and enhance service delivery. Her passion lies in fostering environments where teams thrive and deliver exceptional results.

Before joining Estia Health in July 2024, Ciara held the positions of Chief Marketing Officer and Chief Operating Officer at Pacific Smiles Group. She also served in senior positions at Hunter Water, the Commonwealth Bank and the NRMA, where she made significant contributions to each organisation’s success.

Ciara holds a Bachelor of Social Science and a Master of Business Administration.

<p>Kerry Ewing</p>

Kerry Ewing

Kerry is Estia Health’s Chief Quality and Clinical Officer with a career spanning over two decades in healthcare and leadership. With 22 years’ experience as a Registered Nurse, Kerry has developed a comprehensive understanding of healthcare across diverse settings, including cardiothoracic care in tertiary hospitals and both private and public sector aged care.

Prior to her current role, Kerry spent 12 years with the aged care regulator in critical positions including registered quality assessor, assessment manager, and statutory decision maker. She has also contributed to the education sector, developing and delivering programs and providing clinical facilitation in the TAFE sector.

Kerry’s journey at Estia Health began in 2019, seeing her progressively advance through key roles, including Quality Business Partner and Head of Quality and Clinical Development, before stepping into her current executive position in January 2025.

Kerry's academic credentials include a Bachelor of Nursing, a Master of Gerontology specialising in Dementia Practice and Veteran Health, and a Master of Business Leadership. Grounded in her deep clinical expertise and genuine passion for care, Kerry is committed to driving our vision of true person centred care every day, to everyone one, at every moment.

<p>Anthony Rice, Chief Financial Officer</p>

Anthony Rice, Chief Financial Officer

Joining Estia Health in July 2023 as Chief Financial Officer, Anthony holds 25 years’ experience in senior finance roles across a range of aged care, healthcare and finance sector businesses.

Prior to joining Estia Health Anthony was Chief Financial Officer and Chief Investment Officer of Japara Healthcare, an ASX listed aged care provider. Prior to joining Japara Healthcare, Anthony’s background was as a specialist aged care, real estate and healthcare sector corporate adviser with over 20 years’ experience in investment banking, at JPMorgan and most recently at Macquarie Group, where as a Managing Director he advised clients on corporate strategy, debt and equity raising and mergers and acquisitions.

Anthony is a Chartered Accountant and holds a Master in Applied Finance from the University of Melbourne.

Anthony is also actively involved as a volunteer in the not-for-profit healthcare sector, serving as a Non-Executive Director of Cabrini Health since 2016 where he is also a member of the Audit and Risk Management Board Committee and Chairs the Cabrini Technology Group Board Committee.

<p>Cath Gillard, Chief People Officer</p>

Cath Gillard, Chief People Officer

Cath’s professional career spans over 25 years in human resources and employee relations. Prior to joining Estia Health in May 2022 as Chief People Officer, Cath was the Executive Director People & Culture at Australian Red Cross Lifeblood, a role she held for five years. Cath has also held senior human resources positions within the General Electric group of companies, Linfox and the Toll Group.

Earlier in her career, Cath practiced as an employment and industrial relations lawyer for over a decade with law firms Minter Ellison and Lander & Rogers. At the time, she provided legal advice across multiple industry sectors including health, state government, financial services, manufacturing and construction.

Cath holds a Bachelor of Laws (Honours) and a Bachelor of Arts from The University of Melbourne and a Masters of Management (Human Resources) from Monash University. She is a Graduate of the Australian Institute of Company Directors and is a Certified Human Resources Practitioner (Australian Human Resources Institute).

Fiona Caldwell, Chief Information Officer

Fiona Caldwell, Chief Information Officer

With over 25 years’ experience in various IT strategic and operational leadership capacities, Fiona brings to Estia Health a wealth of practised knowledge and a sound background in managing IT solutions and projects.

Appointed to the role of Chief Information Officer in October 2017, Fiona leads Estia Health’s IT team in the delivery of modern and innovative technologies and services and seeks to advance the level of assistance and amenities available at Estia Health.

Fiona is a recognised leader in optimising the IT user experience. She has extensive experience in the Government and Commercial sectors, including Village Roadshow, Cenitex and the Tatts Group. Fiona holds a Bachelor of Computing and Master of Business Administration from Monash University.

Michael Lockwood, Chief Development and Property Officer

Michael Lockwood, Chief Development and Property Officer

Michael has worked in the property and construction industry for over 20 years, with more than half this time directly involved in the aged care and retirement living sectors. He has held roles working closely with developers, builders and not-for-profit operators.

Michael is responsible for executing Estia Health’s property growth and renewal strategy, as well as asset management across the portfolio.

Prior to joining Estia Health, Michael was the General Manager, Property & Housing for Catholic Healthcare and previously Construction Manager for Anglican Retirement Villages where he led the strategy, new developments and property services. 

Michael holds a Bachelor of Engineering (Civil) from the University of Technology, Sydney as well as a Master of Commerce (Property Investment & Development) from the University of Western Sydney.

<p>Sam Winter, Chief Business Development Officer</p>

Sam Winter, Chief Business Development Officer

Sam joined Estia Health in 2024, bringing over 25 years of extensive experience in finance and management roles. As the head of Estia Health’s acquisition and integration activities, Sam plays a pivotal role in driving the company's expansion, ensuring seamless operational alignment and sustainable growth.

Prior to joining Estia Health, Sam successfully led the growth of Only About Children through strategic acquisitions and greenfield developments for more than six years. In this role Sam oversaw the growth of the group from 38 to 82 childcare services. His diverse background also includes significant roles in the private equity industry at Propel Investments and Colonial First State, coupled with eight year’s experience at PwC providing advice across a range of sectors. 

Sam holds a Bachelor of Commerce from the University of Adelaide, is a Chartered Accountant, and a Graduate of the Australian Institute of Company Directors.

Dianna Gu, Chief Legal and Risk Officer

Appointed as Chief Legal and Risk Officer of Estia Health in February 2025, Dianna is an experienced legal, risk and governance practitioner who has held senior roles across ASX-listed, private corporate, and not-for-profit organisations, spanning multiple industries.

Prior to joining Estia Health, Dianna spent nine years in the healthcare industry, most recently serving as General Counsel and Group Director of Corporate Governance and Risk at Epworth HealthCare, where she led the organisation’s legal, risk, and governance functions.

Dianna holds a Bachelor of Laws from The University of Melbourne, along with an MBA and Master of Marketing from the Melbourne Business School. She also holds a Certificate in Governance Practice from the Governance Institute of Australia and is a Graduate of the Australian Institute of Company Directors.