Professor of Neurology, Mayo Clinic College of Medicine and Health Sciences
Director, Comprehensive Epilepsy Center, Mayo Clinic Florida
Jacksonville, FL

Dr. William O. Tatum IV is a Professor of Neurology at the Mayo Clinic College of Medicine and Health Sciences and a senior consultant at Mayo Clinic Florida, where he serves as the Director of the Comprehensive Epilepsy Center. Board-certified in Neurology, Clinical Neurophysiology, and Epilepsy, he previously served as Chair of the Division of Epilepsy and Director of the Epilepsy Monitoring Unit. He is a Fellow of the American Academy of Neurology, the American Clinical Neurophysiology Society, and the American Epilepsy Society.

Dr. Tatum earned his medical degree from the College of Osteopathic Medicine and Surgery in Des Moines, Iowa. He completed his neurology residency at Loyola University Medical Center in Chicago, Illinois, followed by a two-year epilepsy fellowship at Graduate Hospital, affiliated with the University of Pennsylvania. Prior to joining the Mayo Clinic as a clinician-educator in 2009, he established the Tampa General Hospital-University of South Florida Comprehensive Epilepsy Center.

A dedicated leader in his field, Dr. Tatum is a past president of both the American Board of Clinical Neurophysiology and the American Clinical Neurophysiology Society, and he is a past chair of the clinical neurophysiology section of the American Academy of Neurology. He has served on the board of directors for the Neurodiagnostic Society and the professional advisory board of the Epilepsy Foundation of America. Highly active in medical publishing, he is the immediate past Editor-in-Chief of Epilepsy and Behavior Reports, the current Editor for Epilepsy Issues for Practical Neurology, and serves on the editorial board of the Journal of Clinical Neurophysiology.

Dr. Tatum frequently lectures nationally and internationally as an invited speaker. His research focuses on the medical and surgical treatment of drug-resistant epilepsy, seizure semiology, and clinical neurophysiology. Backed by intramural and extramural grant funding, he frequently serves as a principal investigator for pharmacologic and device clinical trials and holds patents for two intraoperative monitoring sensing devices. An accomplished author, Dr. Tatum has published over 345 peer-reviewed manuscripts and editorials, authored 48 book chapters, and edited eight books in the field of epilepsy and clinical neurophysiology.