Pre-Congress Workshop

Sarah Mayson, MD is an associate professor of medicine at the University of Colorado School of Medicine in Aurora, Colorado, USA. She received her medical degree from Jefferson Medical College in Philadelphia, Pennsylvania and completed internal medicine residency and fellowship in endocrinology, diabetes, and metabolism at the University of Pennsylvania, also in Philadelphia. She the Director of the Fellowship Program in Endocrinology, Diabetes and Metabolism and leads the thyroid nodule clinical program at the University of Colorado Hospital. She is also a current member of the American Thyroid Association adult thyroid nodule guidelines taskforce.

Dr. Susan J. Mandel, MD, MPH—Sylvan H Eisman Professor of Medicine and Chief of the Division of Endocrinology, Diabetes and Metabolism at the Perelman School of Medicine, University of Pennsylvania. Her clinical practice focuses on thyroid neoplasia. Her current research interests include sonography in the evaluation of patients with thyroid nodules and cancer. She was the first to publish evidence of increased levothyroxine requirements in pregnant women with hypothyroidism and went on to lead the clinical research that established I-123 as the preferred isotope for whole-body thyroid cancer scans. Dr. Mandel was on the writing groups for the 3 previous versions of the ATA Management Guidelines for Patients with Thyroid Nodules and Differentiated Thyroid Cancer and is co-chairing the 2025 ATA Guidelines for Patients with Thyroid nodules. She also was on the writing group for the ATA and Endocrine Society guidelines on the Management of Thyroid Disorders during Pregnancy. Dr. Mandel initiated and directed the Ultrasound workshops for the ATA and Endocrine Society. Dr. Mandel has received the Endocrine Society's Distinguished Educator Award, the 2019 ATA WIT Woman of the Year award, and the AACE H. Jack Baskin Endocrine Teaching Award. She is the 2025 recipient of the ATA Lewis Braverman award recognizing excellence mentoring, productive thyroid research and service to the ATA. She also received the Louis Duhring Outstanding Clinical Specialist Award from Penn Medicine. Dr. Mandel is past President of the Endocrine Society (2018-19) and of the Association of Program Directors in Endocrinology, Diabetes, and Metabolism (2009-2011). She currently serves as Secretary of the International Society of Endocrinology. During her 21 year tenure as Program Director of the Fellowship program at Penn, she trained over 70 fellows, 9 of whom have served as Endocrine Fellowship Program Directors. She has over 100 peer reviewed publications in journals including the New England Journal of Medicine, JAMA and the Annals of Internal Medicine. She has also authored chapters on thyroid disorders in Harrison’s Textbook of Medicine and thyroid nodules in Werner and Ingbar’s The Thyroid.