Dr. Lim is the Professor and Chair of the Department of Neurosurgery and a board-certified neurosurgeon specializing in brain tumors. Prior to becoming Chair of Neurosurgery at Stanford at Johns Hopkins, Dr. Lim was Professor of Neurosurgery at Johns Hopkins where he built one of the largest brain tumor practices. Dr. Lim’s research involves the development of immunotherapies for brain tumors and focuses on understanding mechanisms of immune evasion by cancer cells. He has been the Principal Investigator of several large national immunotherapy clinical trials for brain tumors. A world leader in immunotherapy for brain tumors, Dr. Lim has published over 200 manuscripts on the treatment of brain tumors and trigeminal neuralgia. Dr. Lim is a member of the American Society for Clinical Oncology, Congress of Neurological Surgeons, the American Association of Neurological Surgeons, and the Society for Neuro-Oncology. Dr. Lim served as the program co-chair of the Society for Neuro-Oncology and CNS section of the American Society for Clinical Oncology. He also served on many executive committees, including the Executive Committee for the Joint Tumor Section of the American Association of Neurological Surgeons and Congress of Neurological Surgeons.