Mark M. Souweidane, MD

Vice Chair, Neurological Surgery
Director, Pediatric Neurological Surgery

Dr. Mark M. Souweidane is nationally recognized in pediatric neurosurgery, with a strong focus in childhood brain tumors. He is regarded as a highly accomplished microneurosurgeon and expert endoscopic surgeon, and is a compassionate advocate for children.

Read Dr. Souweidane's patient testimonials
It Wasn't Just the Heat: A Colloid Cyst Story
"My Colloid Cyst Is Gone for Good!"
Harry and The Helmet
Cruising Away from a Colloid Cyst
An "Incredible" Save

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TRAINING

Dr. Souweidane received his undergraduate degree at the University of Michigan before attending Wayne State University Medical School. His post-graduate residency included a general surgery internship at the University of Michigan Hospitals and a neurosurgery residency at New York University. He completed his training as chief clinical fellow in Pediatric Neurosurgery at the Hospital for Sick Children in Toronto, Canada.

Castle Connolly Top DoctorRESEARCH
Dr. Souweidane oversees a translational laboratory focusing on improving methods for treating children with incurable brain tumors. His work is nationally regarded for the development of drug delivery techniques for childhood brain tumors that are not amenable to surgical removal. He is the principal investigator (PI) for clinical trials using direct delivery as a novel therapeutic approach. He supplements his laboratory research with clinical projects, both independently and as a member of multi-institutional studies, including the Children’s Oncology Group (COG) and the Pediatric Brain Tumor Consortium (PBTC).

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. He holds joint appointments at the Memorial Sloan-Kettering Cancer Center and the Hospital for Special Surgery. He serves on the editorial board for Neurosurgery and Journal of Neurosurgery: Pediatrics. He serves as Chairman of the Neurosurgery Committee of the Children’s Oncology Group, and is the president of the Brain Tumor Foundation's pediatric arm, BTF Kids.

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Find out more about the Department of Neurosurgery, including its Neurosurgery Residency Program, Fellowship Opportunities, CME Courses, and Research.

Dr. Souweidane Named Winner of Dean's Award for Mentorship

Dr. Mark Souweidane has been named winner of the 2024 Dean's Award for Excellence in...

25 Weill Cornell Medicine Neurosurgical Faculty Named to NY 2024 SuperDoctors List

A record 25 faculty members from Weill Cornell Medicine Neurological Surgery have been named to the 2024 list of New York SuperDoctors. The list of outstanding physicians, published as a supplement to The...

The world of neurosurgery lost a leading light last week when Dr. R. Michael Scott passed away at 82. On a personal level, I lost one of my early partners and mentors in neurosurgery as well as a friend.
Evelyn Schaedel thought Texas was making her feel lightheaded. She had started feeling dizzy shortly after relocating there from the East Coast, and she assumed it was due to the heat and the motion of the ever-present ceiling fans.

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