Executive Personnel

Our experienced team of Executive Personnel ensure the smooth running of all aspects of our healthcare service and facilities.


Covering all financial management and administrative procedures, Timboon and District Healthcare Service relies on our:


  • Chief Executive Officer
  • Director of Clinical Services
  • Director of Community Health
  • Director of Corporate Services
  • Regional Director of Medical Services


Please contact us to find out more about the history of Timboon’s hospital, or make enquiries about our hospital services, primary healthcare programs or home and community care.

Gary Castledine

Chief Executive Officer

BAppSc BA DipAmbParamedic MEthicsLeg


Andrew Maskell

Interim Director of Corporate Services

Tanya Wines

Director of Community Health



Tanya is an experienced health professional who has spent the majority of her career working as a Medical Scientist. Over the past 10 years she has established herself in leadership roles holding various management positions in private industry. Tanya believes in values-driven leadership, engaging and building relationships on the foundations of trust and respect.


Tanya has spent many years working in rural and remote Australia and has a great understanding of community engagement and consumer directed care. Tanya believes that the Community Health Team plays a significant role in maintaining and improving the health and wellbeing of our community. Tanya holds a Bachelor of Applied Science – Human Biology and has recently returned to the district with her husband and two sons after spending 12 years working interstate.

Tanya Wines TDHS Community Health Manager

Larissa Barclay

Director of Clinical Services

Didir Imran

Regional Director of Medical Services


With over 10 years of clinical and hospital administration experience, Didir has worked across five states and eight health services after graduating from the University of Adelaide (MBBS). Didir is a huge advocate for health informatics and he was most recently the Deputy Chief Informatics Officer (CMIO) at Western Health, where he assisted with clinician engagement and in the implementation and design of a multi-million dollar electronic medical record (EMR) system.


A firm believer of life-long learning, Didir is currently undertaking a Masters of Health Services degree through Monash University. He is also a trainee with the Royal Australasian College of Medical Administrators (RACMA). As the inaugural District Director of Medical Administration (DDMA) for the Polwarth region, Didir has strategic and operational oversight of clinical governance across the region. Didir is a dedicated medical practitioner and he looks forward to assisting with the implementation of a public medical model of care at Timboon and District Healthcare Service.