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Our Leadership Team


Jason Brown M.D.

Chief Neurologist

Dr. Jason Brown has earned a reputation as a luminary in neuropsychology, having published hundreds of peer-reviewed articles in scientific journals and nearly two dozen books. He has been the reviewer and recipient of grants and fellowships from the National Institutes of Health and the Alexander von Humboldt Foundation. Dr. Brown has lectured globally and has held posts at Rockefeller University, New York University Medical Center, Columbia-Presbyterian Medical Center, and other prominent settings. His vast knowledge is put into practice to guide the most comprehensive evaluation and treatment plan.


Diamanto Tsakanikas Ph.D.

Clinical Director, Neuropsychology

Dr. Diamanto Tsakanikas is a Clinical Neuropsychologist with advanced specialized training in evaluation and treatment. Clinical areas of expertise include neurodevelopmental and neurobehavioral disorders, which span a wide range of behavioral and cognitive disorders associated with brain disease (e.g., traumatic brain injury, attention deficit/hyperactivity disorder, learning disorders, cerebrovascular accidents/stroke, cancer/neuro-oncology, auto-immune disorders, dementias and seizure disorders). She was a clinical researcher at Weill-Cornell Medical College and at The Rockefeller University Hospital, and has been published in peer-reviewed journals. She has supervised and taught medical and clinical trainees at Weill-Cornell Medical College and SUNY-Downstate Medical Center. Dr. Tsakanikas has held executive board/leadership roles in professional organizations, and has also served on hospital-based Ethics Committee and on medical academic IRB for clinical research.


Avraham Schweiger Ph.D.

Senior Neuropsychologist

Dr. Avraham Schweiger is an Emeritus Professor of Behavioral Sciences at the Academic College of Tel Aviv, in Israel. He completed his education in Psychology and Neuropsychology at UCLA, where he also taught and conducted research on language disorders in patients with brain damage. From 2003 through 2015, Dr. Schweiger was the Head of the Neuropsychology and Rehabilitation graduate program he established at the Academic College of Tel Aviv. He served as a senior neuropsychologist at a major rehabilitation hospital in Israel. Dr. Schweiger has (co)-authored over 60 articles and book chapters on cognitive neuropsychology in major peer-reviewed publications. Dr. Schweiger is a reviewer of several neuropsychological journals. Dr. Schweiger speaks several languages and can conduct cognitive assessments in English, Hebrew and Spanish.


Karen Lawson Ph.D.

Clinical-Legal Liaison

Dr. Karen Lawson is a clinical and research expert in neuro-rehabilitation and traumatic brain injury. She previously served as clinical director of CCC, specializing in neurolinguistics and speech-language pathology. She has held posts as an Instructor of Neurology at NYU Medical Center, and a Visiting Instructor of Psychology at NYU. Dr. Lawson previously served as a board member of the NY Neuropsychology Group and is on the board of the Windward Islands Research and Education Foundation. Dr. Lawson has co-authored 21 articles in peer-reviewed journals and co-edited a leading medical textbook, The Science of Olfaction. Notably, Dr. Lawson has developed an evidence-based model of care for survivors of developmental trauma that pairs repetitive neural stimulation with psycho-social attachment, for which she was awarded a Clinton Global Initiative Commitment to Action.

Our Professional Affiliations and Organizations

American Academy of Neuropsychology | Concussion Alliance

International Brain Injury Association | International Neuropsychology Society

The New York Academy of Sciences | New York Neuropsychology Group