Juergen Liebermann, Ph.D., HCLD (ABB) obtained his PhD in Agricultural Science at the Technical University of Munich-Weihenstephan, Germany in 1995. Since then he has been directing IVF Labs and currently he is the Director of the Embryology, Andrology and Endocrinology Laboratories at the Fertility Centers of Illinois. With his post-doctoral thesis in 2004 he qualified as a university lecturer in Experimental Reproductive Medicine at the Bavarian University of Wuerzburg, Germany. Dr. Liebermann is board certified as a High-complexity Clinical Laboratory Director (HCLD) in the disciplines of Embryology and Andrology. His interests are developing new techniques for culturing human embryos and protocols for oocyte and blastocyst cryopreservation. More recently Dr. Liebermann and Dr. Tucker edited and completed a book entitled “Vitrification in Human Assisted Reproduction”. By getting world-recognized scientists in the field of cryobiology as contributors for this book, it presents the State-of-the-Art procedure of vitrification, a new cryopreservation technique. He is a member of SSR, ASRM, ESHRE, ASA, and ABB. He serves as an ad Hoc reviewer for different journals in the field of Reproductive Endocrinology and Infertility. He is sitting on the Scientific Advisory Board of Origio. He lives in Oak Park, Illinois with his wife and 4 sons.