Ronald Hamilton, MD Dr. Hamilton serves as Director of Neuropathology Core of the Stephen Tuttle ALS Tissue Bank and is an Associate Professor of Pathology and Board certified in both Anatomic Pathology and Neuropathology. His main research interests involve the neuropathology of neurodegenerative diseases, including Alzheimer's Disease (AD), Lewy Body Dementia, Parkinson's Disease, and Amyotrophic Lateral Sclerosis (ALS). As Director of the Neuropathology Core of the AD Research Center, Dr. Hamilton supervises the banking of autopsy brain materials and has examined over 500 autopsy cases during the past 12 years. Recently he and Dr. Bowser reviewed the Pittsburgh experience with dementia in ALS and found that 30 percent of ALS patients with dementia have AD, which had not been previously reported. In addition to neurodegenerative diseases, Dr. Hamilton is also well-known for his research in collaboration with Dr. Ian Pollack on the molecular biology of pediatric brain tumors. (see publications)