Assoc. Prof. Dr. Johannes Ott , born in September 1980 in Vienna, Austria, currently is the deputy head of the Clinical Division of Gynecologic Endocrinology and Reproductive Medicine at the Medical University of Vienna, Austria. He has authored more than 100 peer-reviewed articles with a main focus on polycystic ovary syndrome, fertility surgery, recurrent miscarriage, artificial reproduction, thyroid function and autoimmune thyroiditis.