Howard Fillit, MD, is a geriatrician and neuroscientist, who has led the ADDF since its founding. Dr. Fillit has held faculty positions at The Rockefeller University, the SUNY-Stony Brook School of Medicine and the Cornell University School of Medicine. In 1987, he joined the Mount Sinai School of Medicine, where he is a clinical professor of geriatric medicine and palliative care, medicine and neuroscience. Dr. Fillit also maintains a limited private practice in consultative geriatric medicine with a focus on Alzheimer's disease and related dementias.

He has authored or co-authored more than 300 publications and is the senior editor of Brocklehurst's Textbook of Geriatric Medicine and Gerontology. Dr. Fillit is the recipient of many awards and honors including the Rita Hayworth Award from the Alzheimer's Association. He is a fellow of the American Geriatrics Society, the American College of Physicians, the Gerontological Society of America and the New York Academy of Medicine. Dr. Fillit earned his bachelor of arts in neurobiology cum laude from Cornell University and his medical degree from the SUNY-Upstate Medical University.