He studied under Professor Dr. Dmitri, an embryo expert, and has 10 years of experience working at the Reproductive Centers in Houston and St. Louis in the United States. He is a certified expert of the American Society for Assisted Reproduction, a member of the European Society of Human Reproduction and Embryology (ESHRE), and editor-in-chief and has published 15 books on immunology, embryo culture, etc., and is good at embryo culture strategies for elderly patients.