Dr. Mark M. Souweidane is internationally recognized as a leader in pediatric neurosurgery, with a career focus on CNS tumors of childhood. He is the Vice Chairman of the Department of Neurological Surgery at the Weill Cornell Medical College and director of pediatric neurosurgery at the New York-Presbyterian Hospital/Weill Medical Center and Memorial-Sloan Kettering Cancer Center. Dr. Souweidane received his bachelors of science degree from the University of Michigan and his medical doctorate degree from Wayne State University. He completed his neurosurgery training at NYU Medical Center under the mentorship of Dr. Fred Epstein and completed his fellowship in pediatrics at the Hospital for Sick Children in Toronto, Canada. Dr. Souweidane is board-certified by the American Board of Neurological Surgery and the American Board of Pediatric Neurological Surgery. He is a fellow of the American College of Surgeons and the American Academy of Pediatrics. Dr. Souweidane’s clinical and scholarly contributions have helped define the contemporary fields of minimally invasive endoscopic surgery and direct drug delivery for brain tumors. He directs a translational laboratory focusing on novel drug delivery techniques for childhood brain tumors. He is the principal investigator (PI) for a clinical trial using convection-enhanced delivery (CED) and immuno-radiotherapy as a novel therapeutic approach for children with DIPG (NCT01502917). In 2017 Dr. Souweidane was selected by the National Cancer Institute (NCI) to serve as the Neurological Surgery Special Expert on its Brain Malignancies Steering Committee (BMSC) and was appointed to the Children’s Oncology Group (COG) CNS Steering Committee. He is the past chair of the editorial board for Journal of Neurosurgery Pediatrics.