Marek J. Celinski has been a registered psychologist in the Province of Ontario. He is affiliated with the Ontario, Canadian and American Psychological Associations, with the Canadian Register of Health Services Providers in Psychology and with the Canadian Academy of Psychologists in Disability Assessment. He is also a member of the National Academy of Neuropsychology and International Neuropsychological Society. He has been working as a rehabilitation psychologist and a provider of neuropsychological services since 1977 both in private practice focusing on rehabilitation and assessment of head injury and as a Consultant to the Head Injury Programme, and the Psychotraumatic and Pain Programme at the Downsview Rehabilitation Centre (WCB) until its closure.
He remained a part-time head-injury/rehabilitation consultant with the Workplace Safety and Insurance Board until the end of October 2009. He has presented at national and international conferences, and published more than 50 papers and book chapters on the subjects of clinical psychology, rehabilitation, neuropsychology and hypnosis. Currently, a number of clinical and rehabilitation tests which he co-authored or developed alone are being prepared for publication.
At this time, five of the tests have already been published: Furthermore, he is the co-editor of a four book series on Resilience and Resourcefulness by Nova Science Publishers of New York. Dr. Celinski speaks Polish, Russian and English.