Xueyuan Tian is an academician of Chinese Academy of Social Sciences (CASS), the former director of the Institute of Population Research at CASS, and the engaged policy-maker of China’s one-child policy. Due to these roles, he is often referred to as the “father of family planning” in China. Prof. Tian has published over 20 monographs and more than 500 journal articles. He was the winner of Chinese Population Prize, National Book Award, and the first prize of National Science and Technology Advancement Award. His key research interests are population studies and China’s socio-economic development.