Professor Jung Ryeol Lee graduated from Seoul National University College of Medicine and earned his Ph.D. from the same College. He is a professor of Seoul National University College of Medicine and Seoul National University Bundang Hospital. He is serving as the chairman of his department now. He has conducted research and published many articles on fertility preservation, minimally invasive surgery, and assisted reproductive technologies. He is one of the leaders of Korean clinicians and researchers who are interested in fertility preservation. As a board or council member, he has participated in numerous academic societies for reproductive endocrinology and fertility preservation.