Professor, Department of Neurology, School of Medicine, Robert C. Byrd Health Sciences Center, West Virginia University (past)
Department of Exercise Physiology, School of Medicine, Robert C. Byrd Health Sciences Center, West Virginia University (past)
Program Office, Extramural Office of Clinical Trials, NINDS/NIH (past)
Clinical Professor, Neurology, University of Iowa Carver College of Medicine (past)