Xin Liu is an associate professor of Early Childhood Education in the Faculty of Education at Beijing Normal University. She serves as the deputy director of the Young Children’s Health Education Committee of the China National Society of Early Childhood Education (CNSECE) and the deputy director of the Care and Education for Children under 3 Years Committee of China National Standardization Association. Her research interests focus on young children’s health education, young children’s physical education, and birth to three care and education. Xiumin Hong is a professor of Early Childhood Education and director of the Institute of Early Childhood Education at Beijing Normal University. She is also director of the Committee of Teacher Professional Development of the CNSECS and director of China Association for Standardization Educare Professional Committee.  She is widely regarded for her research focused on infant and toddler’s development, teacher professional development, and early childhood education and care policy. Wanzhen Feng is an assistant professor of Early Childhood Education in the Faculty of Education, Beijing Normal University. Her research interests are philosophy of early childhood education, kindergarten teachers’ professional development, and arts education in early years. Currently, she is the principal investigator of a research project focused on the quality and improvement of teacher-child relationship in Beijing. Xiaowei Li is an associate professor of Early Childhood Education in the Faculty of Education at Beijing Normal University, vice executive secretary of China National Society of Early Childhood Education. Her research is devoted to understanding the context (including family, school, and community) and temperament influences on young children’s socio-emotional development. Xinghua Wang is an assistant professor of Early Childhood Education in the Faculty of Education, Beijing Normal University and a member of OMEP China Committee. Her research interests include early learning and development, science learning and teaching in kindergartens, and early care and education. Yuejuan Pan is an associate professor of Early Childhood Education in the Faculty of Education, Beijing Normal University. Her research focuses on program quality and evaluation, play and kindergarten curriculum, and early math education. Currently she is directing a research project on meta-evaluation of kindergarten quality rating system in Beijing.