Sydney Brain & Spine


Dr Erez Ben-Menachem

Dr Erez Ben is a Specialist Anaesthetist. He has been working across the St Vincent’s campus for the last 15 years. Erez completed his medical degree at the University of Auckland, New Zealand. He completed specialty training in both Anaesthesia and Intensive Care Medicine in Australia.

He has specialty interests in neuroanaesthesia, obstetric anaesthesia, care of the critically ill and medical education. Erez holds conjoint appointments as a Senior Lecturer with both the University of New South Wales and Notre Dame University. Outside of the operating theatre he enjoys camping and hiking with his young family.

Dr Maroun Mallat

Dr Mallat is an anaesthetist with a special interest in neuro-anaesthesia and anaesthesia for complex spinal surgery. He graduated from UNSW in 1990 and trained in his specialty through St Vincent’s Hospital. He had further training in pain management at John Hunter Hospital.

Dr Mallat has been a consultant anaesthetist since 1998. He has appointments at St Vincent’s Private, Mater Misericordiae and North Shore Private Hospitals.

The majority of his work involves spinal and neuro-anaesthesia. He also has special interests in anaesthesia for orthopaedic surgery, difficult airway management, regional anaesthesia and the history of his specialty. He is available for consultation in St Vincent’s Clinic. His rooms can be contacted on 83826838.

Dr Martine O’Neill

Dr. Martine O’Neill holds specialist qualifications in Anaesthesia and Pain Medicine. She studied medicine at the University of Western Australia and graduated with honours in 2002.

Dr. O’Neill trained in anaesthesia at St Vincent’s Hospital in Sydney. She completed further studies in pain management at The Michael J Cousins Pain Management and Research Centre at Royal North Shore Hospital.

She was awarded the Barbara Walker Prize for Excellence in the Faculty of Pain Medicine Examination. Dr. O’Neill practices as an anaesthetist and pain medicine specialist at St Vincent’s Public and Private Hospitals. She is also appointed at Concord General Repatriation Hospital and North Shore Private Hospital.

Her specialty interests are neuroanaesthesia, orthopaedic and trauma anaesthesia, and perioperative pain management. Dr O’Neill is actively involved in a variety of activities for the Australian and New Zealand College of Anaesthetists. Similarly, she works regularly with the Faculty of Pain Medicine. She is also involved in research in pain medicine, in particular persistent post-operative pain.

Dr Roger Pye


Consultant Physician, Intensive Care Specialist

Cardiothoracic, Transplant, Vascular and Neurosurgical Anaesthetist

Medical Perfusionist and ECMO Specialist

Consulting Specialist for the NSW ECMO Retrieval Service

Medical Director of Perfusion Services

St Vincent’s Public and Private Hospitals, Sydney.

Roger is senior specialist for the St Vincent’s Heart Lung Transplant and ECMO Unit. He is the Medical Director of Perfusion Services. He is a founding specialist of the NSW ECMO Retrieval Service. Roger has over 15 years experience in Intracranial and Neuroaxial Anaesthesia and has worked with Dr Winder for over 10 years.

Outside the hospital environment, Roger is a resident of the Sydney Northern Beaches and is addicted to surfing. His addiction extends to snowboarding. He was previously a serious rock drummer and was sponsored for a time by Pearl Drums and Paiste Cymbals.

Dr Nicholas Ignatenko

Nick graduated from UNSW at St. Vincent’s Hospital in 1990. He completed a Diploma in Tropical Medicine and Hygiene, London in 1994. Then, he worked as Regional Coordinator of Tuberculosis Programmes in Russia for a British aid organisation, MERLIN.

He commenced anaesthesia training in 1997 at St. Vincent’s Hospital, but returned to London for two fellowships. These were in cardiothoracic anaesthesia at Royal Brompton and neuro-anaesthesia at Atkinson-Morley Hospitals.

He has been a consultant anaesthetist since 2003. He currently holds appointments at St. Vincent’s Private, St. Luke’s and Sydney/Sydney Eye Hospitals.

His interests are in anaesthesia for cranial/spinal  and upper abdominal surgery. Similarly, regional anaesthesia of the upper and lower limbs and Total Intravenous Anaesthesia. He undertook a sabbatical to Gabarone, Botswana in 2016.