Terry Francis Davies is the Florence and Theodore Baumritter Professor of Medicine at the Icahn School of Medicine at Mount Sinai in New York City and Director Emeritus of their Division of Endocrinology, Diabetes and Bone Diseases. Dr. Davies is also a Staff Physician at the James J Peters VA Medical Center in the Bronx, New York. Dr. Davies was trained in the UK, at Newcastle University, and after further research experience at the National Institutes of Health in Bethesda, Maryland, he has spent most of his career in New York at Mount Sinai. Dr. Davies has a distinguished record of significant contributions to our understanding of endocrine physiology and pathology having published over 500 scientific papers; mostly concerning thyroid disease at both a basic level, in the areas of immunology, cell biology and genetics, and in the clinical arena in the area of autoimmune thyroid disease (AITD) and AITD in pregnancy. The Davies Laboratory remains one of the pre-eminent sites for autoimmune thyroid disease research as evidenced by his extensive research support since 1980. Dr. Davies has received many honors in his career, is a member of the American Association of Physicians and a past President of the American Thyroid Association (ATA). In 2010 Dr. Davies was awarded the John B Stanbury Medal for Thyroid Physiology and in 2012 he was made an Honorary Fellow of his home university in Newcastle, UK.