Dr. Neil H. Segal

Dr. Neil H. Segal, MD, PhD, is a leading medical oncologist with specialized expertise in gastrointestinal cancers and immunotherapy. He serves as a senior member of the Gastrointestinal Oncology Service at Memorial Sloan Kettering Cancer Center, where he plays a pivotal role in clinical research and patient care for colorectal, gastroesophageal, and hepatobiliary malignancies. Dr. Segal earned both his medical degree and PhD from the State University of New York at Stony Brook. He completed his internal medicine residency at the University of Chicago, followed by fellowship training in hematology and medical oncology at Memorial Sloan Kettering.

Dr. Segal is recognized for his leadership in developing early-phase clinical trials and biomarker-driven therapies for gastrointestinal cancers. His research focuses on combining immunotherapeutics with targeted agents and identifying predictive markers for treatment response. He has served as principal investigator for numerous investigator-initiated and industry-sponsored trials, contributing to major advancements in the treatment of metastatic and treatment-refractory cancers. His extensive publication record reflects a deep commitment to translating laboratory discoveries into actionable clinical interventions.

Beyond his clinical and research leadership, Dr. Segal is a dedicated mentor and educator, training fellows and junior investigators in precision oncology and translational research. He actively participates in national oncology working groups and serves on advisory panels dedicated to advancing immunotherapy in gastrointestinal malignancies. Known for his analytical approach and commitment to patient-centered care, Dr. Segal continues to shape the future of gastrointestinal cancer treatment through innovation, collaboration, and academic mentorship.