James A. Fagin is Chief of the Endocrinology Service and a Member of the Human Oncology and Pathogenesis Program at MSKCC and a Professor of Medicine at Weill Medical College of Cornell University in New York City, N.Y. He specializes in the treatment of patients with thyroid cancer. His laboratory focuses on thyroid cancer genomics and on understanding the biology of these tumors, in order to identify specific therapies directed at key thyroid oncoproteins, and on understanding mechanisms of response and resistance to targeted therapies. He is a recipient of various awards, the Merck Prize of the European Thyroid Association, the Sidney H. Ingbar Distinguished Lectureship Award of the American Thyroid Association, the Clinical Endocrinology Trust Lectureship of the Society of Endocrinology in the UK and the Clinical Investigator Award of the Endocrine Society in 2014. He is also a past-president of the American Thyroid Association.