Dr. Gleicher grew up in Vienna, Austria, starting his medical studies at Vienna University Medical School and continuing them at Tel Aviv University’s Sackler School of Medicine in Israel. He then moved to New York City for a residency in Obstetrics and Gynecology and a fellowship in reproductive immunology at Mount Sinai Medical Center. He later moved to Chicago as Chairman of Obstetrics and Gynecology at Mount Sinai Hospital and Professor of Obstetrics and Gynecology and Immunology/Microbiology at Rush Medical College. He held these positions for 10 years until 1990, when he started to concentrate on development of the Center for Human Reproduction (CHR), which he founded in 1981. Since 1999 he is President, Medical Director and Chief Scientist of CHR-New York and President of the not-for-profit Foundation for Reproductive Medicine.