Dr. Liyun Li graduated Phi Beta Kappa from MIT and received her MD with honors from Harvard Medical School, where she studied stem cell biology and cultivated a keen clinical interest in women's health. After her OB/GYN residency at the University of California, San Francisco (UCSF), Dr. Li completed her Reproductive Endocrinology and Infertility (REI) fellowship at Columbia University in New York, where she trained under the guidance of pioneers in the fields of in vitro fertilization (IVF) and egg donation. During fellowship, her research focused on how obesity and polycystic ovary syndrome (PCOS) affect egg and embryo health.