Chief Executive

Leena Singh


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Leena Singh commenced in the Chief Executive role in February 2023.

Leena has over 20 years experience in senior executive roles in health systems in New South Wales, Queensland and New Zealand with particular skills in strategic development, governance, and health systems improvement.

Her wealth of experience includes holding Chief Executive, Chief Operating Officer and Chief Financial Officer roles in a range of Health Services and other organisations.

Leena is an accomplished leader, known for her ability to build relationships with stakeholders and staff, bringing people together to align to a shared strategic vision.

Leena is committed to helping improve the health outcomes of the local community, particularly those who are most vulnerable.

Executive Director of Nursing and Midwifery

Cameron Duffy

BN, Grad Dip (Health Admin & Information Systems)

Cameron Duffy was permanently appointed as Acting Executive Director of Nursing and Midwifery Services in December 2022 after acting in the role since August 2022. He has been a Registered Nurse for over 27 years, starting in the private sector on the Gold Coast before commencing with Wide Bay HHS (WBHHS) in 1995.

He fulfilled numerous nursing leadership roles including being the acting Executive Director of Nursing and Midwifery for WBHHS from early 2021. During that time, he took a critical leadership role as part of the pandemic response.

Cameron has a strong interest in developing models of care supporting the needs of patients with cognitive impairment. To complement this interest, he is nearing completion of his Masters of Dementia through the University of Tasmania and has collaborated on several projects in dementia research.

He is committed to building workforce capacity and capability, and has achieved this through several initiatives with university partners.

A/Executive Director Cairns Services

Susan Henderson


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Susan Henderson commenced as Acting Executive Director of Cairns Services in February 2023.

Susan has over 30 years’ experience in critical care nursing and senior leadership roles across Queensland, New South Wales and the United Kingdom.

She commenced with CHHHS in 2017 as the Director of Intensive Care, Women’s and Perioperative and has been instrumental in strengthening corporate and clinical governance, implementing alternative models of care and local outsourcing to the private sector on a large scale.

She was involved with the commissioning of the Multidisciplinary Preadmission Clinic, hybrid theatre and the twelfth theatre at Cairns Hospital.

Susan is known for her strong negotiation skills, strategic and operational service delivery, and her ability to foster professional relationships with stakeholders and staff.

She is committed to achieving a safe, sustainable future service directions for communities in health.

Executive Director of Rural and Remote Services

Tracey Morgan

RN, RM, Grad Cert (InsCare), Grad Cert (MH), Grad Cert (BusManHlth), MNSG, GAICD

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Tracey Morgan has 40 years of experience in nursing. 19 of those years she's been in senior nursing leadership and management positions across the public and private sector. In her early nursing career, she held clinical nurse specialist roles in Intensive Care and Respiratory Medicine at Westmead Hospital in NSW.

Tracey also worked for 12 months for International Health and Medical Service. She was the health service manager across two detention centre sites in Darwin during the peak of the asylum seeker period.

More recently, she was the Rural Manager for Mental Health in southern Queensland before progressing into Director of Nursing and Midwifery roles.

She came to Cairns and Hinterland Hospital and Health Service as Director of Nursing and Midwifery, Rural and Remote Services.

Tracey is a member of the Australian College of Nursing and a member of the Australian Institute of Company Directors.

A/Chief Finance Officer

Tiaan Grobbelaar


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Tiaan has more than 15 years extensive experience in financial accounting and reporting, management accounting and budgeting, and expertise in leading finance teams.

He has worked extensively across mining and health industries in Queensland and has been with Cairns and Hinterland Hospital and Health Service since 2016.

Tiaan is a Chartered Accountants Australia and New Zealand member.

He has an interest in building a strong and cohesive team environment to ensure strategic goals are met and business outcomes achieved.

Executive Director Allied Health

Tania Cavanagh

B Physiotherapy, GAICD

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Tania Cavanagh was permanently appointed to the role in June 2022 after acting in the position since March 2020.

Tania has worked for over 30 years as a Physiotherapist. This has been in clinical and clinical leadership roles, in both public and private sector health settings, across Australia and overseas in the United Kingdom.

In 2004, she became the Health Service's Director of Physiotherapy and has also acted for long periods in the Director Allied Health role.

Tania is a member of the Australian Physiotherapy Association, a member of the Australian Institute of Company Directors and currently a Director on the James Cook University Dental Board.

Executive Director Medical Services

Adjunct Clinical Professor Don Mackie


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Don Mackie was appointed in June 2019 and has over 20 years of experience in clinical leadership roles in Australia and New Zealand.

He originally specialised in anaesthesia and has worked in the United Kingdom and the United States.

Most recently, Don held the role of Executive Director of Medical Services and Clinical Governance with the Central Adelaide Local Health Network.

Previously, he was New Zealand Ministry of Health Chief Medical Officer and Deputy Director General: Clinical Leadership, Protection and Regulation.

Before that, Don was Chief Medical Officer at Counties Manukau District Health Board.

Executive Director Aboriginal and Torres Strait Islander Health

Maria Dorante


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Maria Dorante was permanently appointed to the Executive Director of Aboriginal and Torres Strait Islander Health position in October 2022 after acting in the role since April 2022.

Maria has 20 years experience in business administration, project management and service management within the government and non-government sector throughout Far North Queensland communities.

She was born on Thursday Island and grew up in Weipa and has a deep appreciation and lived experience of the challenges which First Peoples experience accessing and receiving services.

Maria has held several leadership roles spanning Aboriginal and Islander Community Controlled Health Organisations, Aboriginal Legal Services, Queensland Health and Alcohol and Other Drugs Services, in North Queensland.

A/Executive Director People and Culture

Raelene Burke

MBA PostGradDip

Raelene Burke

Raelene Burke commenced acting in the Executive Director People and Culture role in June 2023.

She has extensive senior level human resource management experience in the public health sector in the jurisdictions of South Australia, Queensland, ACT and Northern Territory.

Through her consulting business she has also provided consulting services to a range of public sector agencies in the Northern Territory.

She holds a Masters of Business Administration and a Post Graduate Management Diploma.

Last updated: August 2023