He is former Chairman Emeritus of the Department of Neurological Surgery at the University of Pittsburgh Medical Center where he served for 29 years. He is currently Professor of Neurosurgery at Allegheny General Hospital. He is recognized foremost for his groundbreaking research into the pathology and treatment of cranial nerve compression syndromes such as the development of a microvascular decompression procedure that now offers patients an effective therapeutic alternative when medications fail when confronted with these syndromes. This procedure is now called the "Jannetta Procedure."show more