James Sumowski, Kessler Foundation (image) Kessler Foundation Caption Dr. Sumowski is a research scientist in Neuropsychology and Neuroscience Research at Kessler Foundation where he specializes in cognitive research in multiple sclerosis, traumatic brain injury, and dementia. Credit Kessler Foundation Usage Restrictions Credit Kessler Foundation. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.