The cerebrovascular program is headed by Dr. Steven Giannotta. Dr. Giannotta has accumulated one of the country's largest experiences in the operative managment of aneurysms and AVM's. The microvascular surgery team includes Dr. Charles Y. Liu. The program is enhanced by the presence of Dr. George Teitelbaum and Dr. Donald Larsen, interventional neuroradiologists who perform embolizations and angioplasty.