Supervision of Intra-operative neurophysiologic monitoring, interpreting data, and reviewing neurosurgical, orthopaedic, otolaryngology, and vascular cases utilizing multi-modality evoked potentials, program development, supervision of EEG/EP personnel, oversight of patient records, and fiscal responsibilities: 1) University of Missouri-Columbia Hospitals and Clinics, Boone Memorial Hospital, Veterans Administration Medical Center, Columbia, Missouri, 1/86-3/96. 2) Medical College of Pennsylvania (MCP), Hahnemann Hospital, Veterans Administration Medical Center, Philadelphia, Pennsylvania, 3/96-9/96. 3) University of Nebraska Medical Center, Children Memorial Hospital, Clarkson Memorial Hospital, and Nebraska Methodist Hospital, Omaha, Nebraska, 9/96-2/2000. 4) Sharp Memorial Hospital, Grossmont Hospital, Sharp Chula Vista Hospital, Sharp Coronado Hospital, San Diego, California, 3/2000-present.