- Instructor, Department of Neurology
- Professor of Neurology
- Professor of Neurosurgery, Oncology and Radiation, Oncology and Molecular Radiation Sciences
- Professor of Neurosurgery and Oncology
Irving J. Sherman Research Professor
- Associate Professor of Neurosurgery
- Assistant Professor of Neurology
- Assistant Professor of Neurology
Director, The Johns Hopkins Headache Center
- Professor of Neurology
Director of the Robert Packard Center for ALS Research
- Assistant Professor of Neurology and Pediatrics
- Assistant Professor of Neurology




