Author
  Dr. Geraldo Medeiros-Neto is a professor of endocrinology and chief of the thyroid unit of the University of Sao Paulo Medical School, Sao Paulo, Brazil.

He is the founder and the first president of the Latin American Thyroid Society and his bibliography consists of about 200 publications in international journals, in chapters and as editor of books. His main research lines over the past years are in the field of genetic disorders of the thyroid system, molecular genetics of thyroid dyshormogenesis and on iodine deficiency disorders.

Dr. Medeiros-Neto is the recipient of many national continental and international prizes, including the prize of the Latin American Thyroid Society in 1980 and the Paul Starr Award of the American Thyroid Association in 1996. He is a member of the Academy of Medicine and received his PhD degree in 1987. He has been a member of many national and international scientific committees.