Dr. Yona Barak obtained a BSc MSc and PhD from Tel Aviv University, Department of Zoology Faculty of Life science . Both theses for these degrees dealt with in vitro maturation of mammalian oocytes. Dr. Barak established IVF laboratories and programs worldwide: one in 1984 at the Tel Aviv Medical Center where she was director of the IVF laboratory for 12 years, and one in 1986 at the Herzliya Medical Center where she served as scientific lab director for about 25 years. She established other programs in the United States, Germany, Czech Republic, Lithuania, Cyprus, Dominican Republic, India, Ukraine, Russia, and Belarus. In 2001, she established, owned, and led the InviMed clinics in Poland. Throughout her career, Dr. Barak trained many embryologists worldwide. In 1996, she established and became a lecturer and the clinical director of the MSc program of Gametology and Embryology at Bar Ilan University, Israel. From 1998 to 2003, she was a member of the Faculty Scientific Advisory Board and lecturer of the MSc course for Clinical Embryology at Danube University, Krems Austria, an international program of clinical embryology in cooperation with Bourn Hall, UK and Alpha Scientists in Reproductive Medicine. In 1996, she was elected by the members of Alpha Scientists in Reproductive Medicine as an executive board member. In 1999, she became a vice president of Alpha, and in 2001, she became president and served until 2004\' and is an honorary member until today. Honorary member of embryologists in Mexico, Argentina, and Italy, and a member of the Israeli National Advisory Committee of Gynecology, Embryology and Neonatology. Dr. Barak is an active scientist who has published research in the field of assisted reproductive technologies. She is a pioneer for Hyaluronate as a replacement for polyvinylpyrrolidone (PVP) in intracytoplasmic sperm injection (ICSI); intracytoplasmic morphologically selected sperm injection (IMSI) (Breakthrough paper; 2002); in vivo maturation (IVM); human oocyte vitrification in closed systems; and more. She is owner and director of Dr. Yona Barak Laboratories for fertility services, and specializes in IMSI.