Emily Christison-Lagay, MD is a pediatric surgeon with broad clinical interests spanning the width pediatric surgery from congenital anomalies in newborns to common childhood surgical conditions (hernias, appendicitis, gallbladder disease) to childhood tumors, trauma, and benign and malignant thyroid disease. She is board-certified in surgery and pediatric surgery, and has pursued additional training in the medical and surgical management of pediatric solid tumors including thoracic, liver, and renal tumors, as well as neuroblastoma, childhood sarcomas, and pediatric diseases of the thyroid.

She completed her medical degree at Harvard Medical School and her general surgical residency at the Massachusetts General Hospital, with research in tumor angiogenesis at Boston Children's Hospital. From there, she completed a pediatric surgical fellowship at the Hospital for Sick Children in Toronto, followed by a "super"-fellowship in pediatric surgical oncology at Memorial Sloan Kettering Cancer Center. She is a member of both the Children's Oncology Group and the American Thyroid Association Taskforce on Pediatric Thyroid Disease.