Xinyin Chen is Professor of Psychology at the Graduate School of Education, University of Pennsylvania.He is a Fellow of the American Psychological Association (APA) and the Association for Psychological Science (APS) and the President-Elect of the International Society for the Study of Behavioral Development (ISSBD). Dr. Chen has received a William T. Grant Scholars Award, a Shanghai Eastern Scholars Award, and several other academic awards for his scientific work. His primary research interest is in children’s and adolescents’ socioemotional functioning (e.g., shyness-inhibition, social competence, affect) and social relationships from a contextual-developmental perspective. He has been conducting, with his international collaborators, several large-scale, longitudinal projects in Canada, China, and some other countries. His recent work has focused on the implications of macro-level societal changes for socialization and socioemotional development. He has edited or coedited the books Peer Relationships in Cultural Context (2006), “Social Change and Human Development: Concepts and Results (2010), and Socioemotional Development in Cultural Context (2011). He has published a number of articles in major journals such as Child Development, Developmental Psychology, and Annual Review of Psychology and book chapters concerning culture, children’s social behaviors and peer relationships, and family socialization practices.