Prof. Ammirati is a Vice Chair for Clinical Operations. He is an active Director of Skull Base Neurosurgery and also the Director of Stereotactic Radiosurgery. He is the head and the Director, Dardinger Microneurosurgical Skull Base Laboratory.

Research interest 1) development/evaluation of surgical approaches to the skull base 2) drug delivery system 3) innovations in neurosurgery Clinical interests are 1) Treatment of skull base tumors 2) Radiosurgery 3) Treatment of brain metastases 4) Treatment of primary malignant brain tumors