Staff Special Interests

Carilion's neurosurgery team has more than 100 years combined of practice experience and a wide range of special interests. Some of our team member's special interests and research interests include:

Zev Elias, M.D.
Special Interests: pituitary tumors, head injury, and stereotactic radiosurgery (CyberKnife)
Research Interests: head injury

Lisa Apfel, M.D.
Special Interests: pediatric spina bifida, pediatric head injury, and brain tumors

John C. Fraser, M.D.
Special Interests: spinal trauma, functional neurosurgery, and degenerative spine
Research Interests: multiple resident projects

Edgar N. Weaver, Jr., M.D.
Special Interests: spinal instrumentation and biomechanics
Research Interests: surgical approaches (recent publication) and biomechanics

Gary R. Simonds, M.D.
Special Interests: complex brain tumor surgery, vascular surgery, pediatric surgery, and epilepsy surgery
Research Interests: factors effecting surgical dexterity, depression in neurosurgical patients, ethics in neurosurgery, neurosurgeon exposure to tragedy, brain tumors, epilepsy, and multiple other resident projects