Dr. Clifford is the Melba and Forest Seay Professor of Clinical Neuropharmacology in Neurology at Washington University in St. Louis. He has a broad interest in development of therapeutics for neurological disorders and has participated in research on epilepsy, Parkinson’s disease, multiple sclerosis, Alzheimer’s disease, neurosarcoidosis and a variety of infectious neurological conditions. He was previously PI of the Washington University AIDS Clinical Trials Unit, and remains site PI for the CHARTER study in St. Louis, and the Washington University Network for Excellence in Neuroscience Clinical Trials (NeuroNEXT) site, currently serving in the network executive committee. He is Medical Director of the Dominantly Inherited Alzheimer Disease Treatment Network clinical trials. He has a broad interest in the treatment of neurologic complications of infectious diseases, with special interest in progressive multifocal leukoencephalopathy and HIV associated cognitive disorder. He also has had a career long commitment to education, having led the Washington University/Barnes Jewish Hospital Neurology Residency Program for a decade in the past, and having regularly received teaching awards including being selected as one of the 2018 Distinguished Teachers by the WUSTL medical students. He has participated in international research in Thailand, Ethiopia, Uganda, The Gambia, Guinea Bissau and Senegal.