Dr. Cha is the Chair of CHA Global Institute for Bioscience and founder of CHA Biomedical Group, a global healthcare enterprise in Korea which owns and operates 81 medical centers and clinics and 15 bio-companies in 7 countries. As a physician-scientist, he achieved World’s first in-vitro maturation of the immature oocytes (IVM), human oocyte cryopreservation by vitrification, and establishment of cloned stem cell lines using adult somatic cells. World’s first IVM in human was featured in many famous reproductive medicine books including NOVAK. His achievements including the establishment of the first Egg-Banking were featured in TIMES magazine three times. He also published many medical reviews and over 200 peer-reviewed journal articles. Dr. Cha is also one of the founders of Asia’s first and most notably recognized academic society - Pacific Society for Reproductive Medicine.