Meet the Team

Dr Stephen Tisch

Dr Stephen Tisch

MB BS (Hons 1) PhD FRACP

Dr Stephen Tisch is a neurologist with expertise in Movement disorders.

Dr Tisch graduated from the University of Tasmania in Medicine with first class honours. He completed neurology residency at St Vincent’s Hospital Sydney and the Mayo Clinic Rochester Minnesota USA. He trained in movement disorders and deep brain stimulation (DBS) at The National Hospital for Neurology Queens Square with a PhD on pallidal DBS for dystonia from University College London.
Dr Tisch is a Consultant Neurologist and Head of Department of Neurology at St Vincent’s Hospital Sydney, and Conjoint Senior Lecturer University of NSW. He is also an Adjunct Clinical Associate Professor at the University of Notre Dame Medical School. His area of special interest is movement disorders and DBS. In 2017 he competed 6 months sabbatical at l’hopital Salpetriere Paris and studied MRI guided focussed ultrasound (MRgFUS) at two European centres. He has authored or co-authored over 50 peer-reviewed articles and two book chapters. He serves on the advisory committee for Parkinson’s NSW and Dystonia Network Australia and is the Treasurer of the Australian Movement Disorders Society.

Contact Dr Stephen Tisch

Dr Yael Barnett

Dr Yael Barnett


Dr Yael Barnett is a specialist neuroradiologist and Head of MRI at St Vincent’s Hospital Sydney.

Following advanced training in radiology at St Vincent’s and Royal North Shore Hospitals, she undertook subspecialty fellowship training in neuroradiology at Royal North Shore Hospital and the Brain & Mind Centre, University of Sydney. Dr Barnett has particular interest and expertise in the imaging of neuro-inflammatory, neuro-oncology and movement disorders, both from a clinical and translational research perspective. She is Conjoint Senior Lecturer at the University of New South Wales and consultant neuroradiologist for the Sydney Neuroimaging Analysis Centre.

Dr Benjamin Jonker

MB BS MMed(Clin Epi) FRACS

Dr Jonker is a stereotactic and functional trained neurosurgeon with expertise in all aspects of movement disorder surgery.

After completing his neurosurgical training in Australia in January 2009 he undertook subspecialty training in stereotactic and functional neurosurgery at Foothills Hospital, Calgary, Canada with Dr Zelma Kiss and at UCLA, Los Angeles, USA with Dr Antonio De Salles.

His practice includes all aspects of stereotactic and functional neurosurgery (movement disorder surgery, trigeminal neuralgia surgery, cancer pain surgery, stereotactic radiosurgery, epilepsy surgery) and brain and pituitary tumour surgery.
He is the principal neurosurgeon for the St Vincent’s General and Private Hospital Movement Disorder Unit.

He is a board member of the Neurosurgical Society of Australasia and a clinical senior lecturer at the University of Sydney.

Visit the Central Neurosurgery Website

Dr Samuel Bolitho


Dr Samuel Bolitho brings a rare mix of medical, neurological and computational neuroscience expertise to his role as a movement disorders neurologist. Dr Bolitho initially completed a degree in Mechanical Engineering at the University of NSW attaining 1st Class Honours. Despite this successful early career, Dr Bolitho left industry driven by a desire to follow a vocation in Medicine.

He had always wanted to apply his skills in the development and utilisation of biomedical technology in Neuroscience.  Currently he works at St Vincent’s Hospital Sydney and regional NSW, with expertise in therapies for Parkinson’s disease, dystonia and tremor. Recently he was awarded a PhD through the University of Sydney.

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