Trillium Brain and Spine is a group of clinical neuroscience experts committed to advancing the care of neurological and spinal disorders through optimal and novel diagnostics and treatments to patients. We consist of experts in general and stroke neurology, general and vascular neurosurgery and interventional neuroradiology.


Trillium Health Partners
University of Toronto Neurology
University of Toronto Radiology
University of Toronto Neurosurgery
Canadian Stroke Consortium
College of Physicians and Surgeons of Ontario
Royal College of Physicians and Surgeons of Canada
American Academy of Neurology

Our Team

Dr. Mehdi Shahideh,

Dr. Mehdi Shahideh is a staff Neurosurgeon at Trillium Health Partners. He completed his residency training at the University of Toronto. During this time, he received the Alan R. Hudson Resident Teaching Award and the Warren Ho Humanitarian Award. His subspecialty interests include neurovascular disorders, complex spine and neuro-oncology.

He is currently a part-time Fellow in the Endovascular department between the Toronto Western Hospital and Trillium Health Partners with the aim to complete this extra training by July 2016.

Dr. Shahideh also holds a Bachelors of Engineering along with a Masters of Applied Science from McMaster University.

Dr. Manu Mehdiratta,

Dr. Manu Mehdiratta completed medical school at McMaster University and Neurology Residency at the University of British Columbia. He then completed fellowship training in stroke and cerebrovascular diseases at Beth Israel Deaconess Medical Centre (BIDMC) in Boston, Massachusetts and following fellowship served on the faculty in the Division of Cerebrovascular Diseases, Department of Neurology, BIDMC and Harvard Medical School.

He is currently a practicing neurologist and stroke specialist at Trillium Health Partners He is on faculty in the Division of Neurology, University of Toronto. He is actively involved in stroke and neurology clinical trials. His clinical interests include general neurology, headache and cerebrovascular diseases. He has published numerous articles, papers and chapters in the area of stroke and neurology.

Dr. Dominic Rosso,
Interventional and Diagnostic Neuroradiologist

Dr. Dominic Rosso, former Director of Interventional and Diagnostic Neuroradiology at Trillium Health Partners, has performed thousands of specialized procedures since joining in 1998. His expertise has dramatically improved patients’ quality of life and saved the lives of many more.

Dr. Rosso graduated with his medical doctorate from the University of Ottawa in 1990. A silver medalist winner, he held the second highest overall academic and clinical standing throughout medical school. Following an internship at Ottawa Civic Hospital and a residency in Diagnostic Radiology, he completed two fellowships – one in Interventional and Diagnostic Neuroradiology at London Health Sciences Centre, Ontario and one in Body Magnetic Resonance (MR), Computer Tommography (CT) and Ultrasound Imaging at St. Joseph’s Hospital, also in London.

A naturally gifted teacher and lecturer, Dr. Rosso has made an important contribution to the medical field through the Professional Association of Interns and Residents of Ontario. He has attended international symposiums and congresses and published in Canadian and American neuroscience journals. At Trillium, Dr. Rosso has been instrumental in bringing about the centralization of vascular services to effectively meet the needs of the area’s one million residents.

Dr. Yael Perez,

Dr Yael Perez is a neurologist and stroke specialist at Trillium Health Partners. She obtained a Medical Doctorate with Honors from the Faculty of Medicine at the University of Toronto in 2005 and completed 5 years of residency training in Neurology at the University of Toronto. She then completed a subspecialty clinical fellowship in Cerebrovascular Neurology at the Toronto Western Hospital in affiliation with the University of Toronto in 2011. She also holds a PhD in Neuroscience from the Department of Physiology at the University of Montreal since 2000. She is on faculty in the Division of Neurology at the University of Toronto and holds research interests in acute stroke and stroke prevention.

Suzanne Bickford,
Cardiac Monitoring and Clinical Trials Manager

Suzanne Bickford began her career in research at the Ontario Cancer Treatment and Research Foundation, University of Toronto researching the molecular biology of malignant melanoma, while managing the laboratory and co-authoring manuscripts and abstracts for publication. In 1997, Suzanne decided to transition from molecular biological research to clinical trials, and has coordinated trials at various Toronto hospitals including SickKids and Sunnybrook. Suzanne has a deep understanding of the science behind the clinical research, and a strong commitment to see patient care and outcomes improve as result of the research. Before coming onboard with Trillium Brain and Spine, where she manages neurology trials and the Cardiac Monitoring clinic, Suzanne worked with the Stroke Team at Trillium Health Partners, managing several stroke and anaesthesia trials.

Dr. Amer Ghavanini,
Neurologist and Neuromuscular Disorders Subspecialist
Division Head, Neurology, Trillium Health Partners

Dr Ghavanini completed medial school at Shiraz University of Medical Sciences, PhD in Neurosciences at the University of British Columbia, post-doctoral research fellowship in Neuropharmacology at the University of British Columbia and Clinical-Research fellowship at the Western University. He is a prolific author of basic and clinical neuroscientific articles. He has received numerous academic awards, most notably the American Academy of Neurology Founders Award. He is a clinical assistant professor at the University of Toronto and the Division Head of Neurology at Trillium Health Partners.

Inna Khomitska

Inna Khomitska,
Cardiac Monitoring Coordinator

Inna has spent her entire career committed to making hospitals run efficiently, with a focus on patient care. Roles such as Dispatch Operator, Team Leader and Emergency Unit Coordination Assistant has provided her with a strong background in emergency medicine. Her attention to detail spans from understanding the need for proper and effective medical care with efficient patient management. As TBS's Cardiac Monitoring and Clinical Trials Assistant, Inna is an integral member of the team, managing the logistics and patient management of all programs.