OUR TEAM

Dr John Fuller

Neurosurgeon 

Gamma Knife Team - Dr John FullerDr John Fuller graduated from UNSW, and then undertook his early postgraduate years at Prince of Wales. His neurosurgical training was completed at Prince of Wales and Prince Alfred Hospitals Sydney. Dr Fuller has been practising in Canberra since obtaining his fellowship in neurosurgery, managing all aspects of cerebral, spinal and peripheral nerve surgery. He has a particular interest in neuro-oncology and spinal surgery. Dr Fuller is the lead neurosurgical specialist for the Gamma Knife Program at Macquarie University Hospital.

Dr Tim Siu

Neurosurgeon

Gamma Knife Team - Mr Michael Grace Dr Siu is a graduate of the University of Sydney and obtained his doctorate in visual neuroscience from the University of New South Wales. After completing his neurosurgery training in Sydney, Dr Siu joined the fellowship program at MD Anderson Cancer Center in the US where he received subspecialty training in the management of brain, spine and peripheral nerve tumours. His clinical expertise includes awake surgery, multimodal imaging and electrophysiology-guided surgery for eloquent brain and spinal surgery for degenerative and malignant disease. He is currently appointed as a clinical senior lecturer at the Faculty of Medicine and Health Sciences at Macquarie University.

Dr Michael Izard ADM

Radiation Oncologist 

Dr Michael Izard ADM (MBBS, FRANZCR, M. Medical Humanities) graduated from The Middlesex Hospital in London and obtained his Fellowship of the Australian and New Zealand College of Radiologists in Sydney. Dr Izard is the lead Radiation Oncologist for the Gamma Knife Program at Macquarie University Hospital. He is a Clinical Associate Professor at the University of Sydney, and other than neuro-oncology his interests include prostate and breast cancers, with a particular interest in brachytherapy.

Dr Annie Ho

Radiation Oncology

Gamma Knife Team - Dr Annie HoDr Annie Ho graduated from the University of Sydney in 1998. She underwent specialty training in radiation oncology in the Royal North Shore Hospital and St George Hospital in Sydney and was awarded the Fellowship of the Royal Australian and New Zealand College of Radiologists (RANZCR) in September 2005. Dr Ho is a member of RANZCR, ABS, Trans-Tasman Radiation Oncology Group (TROG) and Australian and New Zealand Breast Cancer Trial Group (ANZ BCT). As well as the management of brain tumours her interests include gastro-intestinal, lung and prostate cancers.  

Dr Cecelia Gzell

Radiation Oncology

Gamma Knife Team - Dr Annie HoDr Cecelia Gzell (BMedSc, BMed, FRANZCR) graduated from the University of Newcastle (Medicine). She underwent specialist training primarily at Royal Prince Alfred Hospital, obtained her Fellowship of the Royal Australian and New Zealand College of Radiologists in 2011 and post-graduate fellowship in Neuro-Oncology at Royal North Shore Hospital. Cecelia is involved in the Co-operative Trials Group for Neuro-Oncology (COGNO), the Australian Genomics and Clinical Outcomes of Glioma Network (AGOG) and is a member of the Society of Neuro-Oncology (SNO, USA). She has a particular interest in Neuro-oncology, her main focus being primary and secondary central nervous system neoplasms utilising modern techniques including gamma knife surgery.

 Mr Vaughan Moutrie

Lead Medical Physicist 

Gamma Knife Team - Mr Michael GraceMr Vaughan Moutrie (B.MedRadPhys (Hons), MSc, CMPS) studied medical physics as an undergraduate at the University of Wollongong before taking on a clinical position in Queensland. During this time he completed both a postgraduate research degree in radiation oncology and achieved certification with the Australasian College of Physical Scientists & Engineers in Medicine. Having helped develop stereotactic radiosurgery programs in Brisbane, Vaughan returned to Sydney at the beginning of 2015 where he is now the lead medical physicist at Macquarie University Hospital.

Mr Michael Grace

Medical Physicist 

Gamma Knife Team - Mr Michael GraceMr Michael Grace (B. Med. Phys (Hons), AMACPSEM) began his Medical Physics career at The University of Wollongong and has been a Medical Physicist since 1998. Following his graduation, Michael has worked both clinically and commercially. Michael achieved his accreditation with the ACPSEM (Australasian College of Physical Scientists and Engineers in Medicine) in 2005, and is published in both national and international journals. Michael is the  Medical Physics site supervisor at the Macquarie University Hospital Radiotherapy Unit and is the lead Medical Physicist for the Gamma Knife Unit.

Lynn Bussi

Nurse Unit Leader and Gamma Knife Nurse Co-ordinator

Gamma Knife Team - Mr Michael GraceMs Lynn Bussi (RN, BSc Nursing, Grad Cert Oncology Nursing) graduated from the University of San Francisco. Lynn worked as a nurse in Midwifery, Casualty and General Medical before moving to work in Oncology/Haematology 16 years ago. Lynn has worked in many areas of oncology nursing including, chemotherapy, bone marrow transplant, breast cancer and as a clinical trial coordinator. Lynn now works as the Nurse Unit Leader for Radiation Oncology and as Gamma Knife nurse coordinator. As NUL she monitors patients while on treatment, coordinates reviews, general care and follow up.

Sam Redfearn

Centre Leader 

Gamma Knife Team - Mr Michael GraceHaving been a Radiation Therapist for thirty years Sam is now Centre Leader at Genesis Cancer Care Macquarie University Hospital. A typical day for Sam involves managing staff rosters, answering patient enquires, centre maintenance, interacting with the hospital staff and discussing plans with all of the staff. She is passionate about helping people and having a positive impact on patients’ lives.