Dr. R. Michael Tuttle

Dr. R. Michael Tuttle, MD, is an internationally recognized endocrinologist specializing in thyroid cancer, with particular expertise in the management of differentiated and advanced thyroid malignancies. He is an Attending Physician at Memorial Sloan Kettering Cancer Center and Professor of Medicine at Weill Cornell Medical College. Dr. Tuttle received his medical degree from the University of Louisville School of Medicine and completed his residency in internal medicine and fellowship in endocrinology and metabolism at the University of Kentucky. He is board-certified in Endocrinology, Diabetes & Metabolism and Internal Medicine, and is widely regarded for his leadership in the multidisciplinary care of thyroid cancer.

Dr. Tuttle’s clinical and research efforts have helped redefine the management of thyroid cancer through risk-adapted strategies, active surveillance, and personalized treatment protocols. His work has been instrumental in updating national and international thyroid cancer guidelines, particularly around radioactive iodine therapy and long-term surveillance. A prolific scholar, Dr. Tuttle has authored numerous peer-reviewed publications and book chapters, and has led clinical trials investigating novel therapies for advanced thyroid cancer. His research emphasizes balancing effective treatment with quality-of-life considerations, helping patients avoid overtreatment while maintaining excellent outcomes.

In addition to his clinical and academic contributions, Dr. Tuttle is an esteemed educator and international lecturer, frequently speaking at major endocrine and oncology conferences. He has served in leadership positions within the American Thyroid Association and other professional organizations, where he continues to shape the future of thyroid cancer care through education, policy, and clinical research. Through his ongoing commitment to scientific advancement and medical education, Dr. Tuttle remains a leading voice in the field of thyroid oncology.