Steven G. Waguespack, MD is a Professor in the Department of Endocrine Neoplasia and Hormonal Disorders at the University of Texas MD Anderson Cancer Center in Houston, TX, USA. Trained in both adult and pediatric endocrinology, Dr. Waguespack has been at the MD Anderson Cancer Center since 2002 and is consistently recognized as one of “America’s Top Doctors for Cancer” in endocrinology. Although his scope of practice is broad, Dr. Waguespack’s major clinical and research interests are thyroid cancer and hereditary endocrine tumor syndromes. He served as a member of the ATA task force that revised the medullary thyroid cancer guidelines in 2015 and was also a co-chair of the inaugural ATA guidelines for pediatric thyroid nodules and thyroid cancer. Considered to be an expert in thyroid cancer and other endocrine malignancies, Dr. Waguespack is privileged to be able to care for patients with these diseases across the age continuum.