Professor Ariel Hourvitz is the Head of the IVF Unit of Assaf-Harofeh Medical Center and the director of the Reproduction Laboratory, Chaim Sheba Medical Center, Tel Hashomer, and full professor at the Sackler School of Medicine, Tel-Aviv University, Israel. Professor Hourvitz research interests include basic research on ovarian physiology, folliculogenesis and characterization of the human ovulatory cascade.