Dr. Yong Eu Leong is an esteemed Emeritus Consultant at the National University Hospital and a Professor at the Yong Loo Lin School of Medicine, National University of Singapore. With over 25 years of experience in obstetrics and gynaecology, he specializes in reproductive endocrinology, subfertility, and polycystic ovarian syndrome. A leader in infertility research, he has published over 200 papers and has been recognized with multiple awards, including a Ministerial Citation for his significant contributions to the genetics of human fertility.

Under his leadership, the Department of Obstetrics and Gynaecology at NUH has become a top choice for women's healthcare in Singapore, significantly increasing patient volume and quality of care. Prof Yong is dedicated to advancing education and research, overseeing numerous successful PhD graduates and pioneering the Integrated Women’s Health Programme. His innovative studies address critical health issues for midlife women, garnering international recognition and further solidifying his reputation as one of the best obstetricians and gynaecologists in Singapore.