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Psychologists and Psychological Associates

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Dr. Matias Mariani, C.Psych., C-CAT (MB)

Practice in Clinical Psychology and Neuropsychology
Owner and Director

Dr. Mariani is the owner and director of Mariani and Associates and a fully licensed clinical psychologist and neuropsychologist. He is also Assistant Professor at the Northern Ontario School of Medicine, Adjunct Professor in the Psychology Department at Laurentian University, and Affiliate Scientist with Health Sciences North Research Institute. He is actively involved in the community with the Ontario Brain Injury Association, the Brain Tumour Foundation of Canada, and Parkinson Canada, and is passionate about helping first responders, military veterans, and marginalized communities. 


Dr. Mariani’s specialty is the evaluation of neurocognitive, psychological, behavioural effects of acquired brain injury, including those from traumatic brain injury, brain tumours, dementia, epilepsy, multiple sclerosis, and stroke. He also provides treatment for trauma-related conditions (e.g., PTSD), depression, and anxiety. 


In terms of his background, Dr. Mariani received his B.Sc. with Specialized Honours in Psychology from York University in 2002, and his M.A. and Ph.D. degrees in Clinical Neuropsychology from the University of Windsor in 2005 and 2009, respectively. He completed a pre-doctoral residency in Clinical Neuropsychology at the Glenrose Rehabilitation and University of Alberta hospitals in Edmonton, as well as clinical practica at Sunnybrook Health Sciences in Toronto, Centre for Addiction and Mental Health in Toronto, University of Windsor Counselling Centre in Windsor, and Wayne State University Health Centre in Detroit. He has been living in Sudbury since 2009. From 2009 to 2016, Dr. Mariani was employed as clinical psychologist and neuropsychologist at the Northeast Cancer Centre. From 2015 to 2017, he was also employed as Professional Practice Lead in Psychology at Health Sciences North. Dr. Mariani has also been involved in the governance of the profession of psychology at the College of Psychologists of Ontario as a Professional Member of Council from 2013 to 2014, as an Oral Examiner in 2016, and as a Proctor for regional Jurisprudence and Ethics Examinations since 2014.


Dr. Mariani is a full member in good standing with the Ontario Psychological Association (OPA), International Neuropsychological Society (INS), Ontario Brain Injury Association (OBIA), and Brain Injury Association of Sudbury & District Branch (BIASD).

Dr. Mariani is also certified certified to conduct catastrophic examinations by the Canadian Society of Medical Evaluators (CSME) and by the Canadian Academy of Psychologists in Disability Assessment (CAPDA). 

Dr. Mariani is fluent in Spanish and English, and can get by in French. 

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