Dr. Weihua An is Associate Professor of Sociology and Quantitative Theory and Methods and a faculty member of the East Asian Studies Program and Department of Behavioral, Social and Health Education Sciences at Emory University. He received his Ph.D. in Sociology and a Master's degree in Statistics from Harvard University. His research advances methods for network analysis and causal inference with applications to studying inequality and social policy, health, and organizations. He is a recipient of the Clifford Clogg Award from the American Sociological Association for his research in methodology and the Faculty Teaching Award from Emory Sociology. In network analysis, he studies social networks as a medium for social influence, a platform for social prediction, an object of social perception, and a mechanism for social inequality. In causal inference, he studies matching and propensity score methods, instrumental variable methods, and causal inference under interference. His work has appeared in Social Forces, Social Networks, Social Science Research, Sociological Methodology, Sociological Methods and Research, Journal of Statistical Software, etc. He is also an author of several statistical software, including "LARF" for instrumental variable estimations of causal effects through local average response functions and "keyplayer" for locating key players in social networks. He has given presentations at various institutions including The Carter Center, Duke University, Emory University, Harvard University, National Opinion Research Center, University of Chicago, etc. His research has been supported by grants from National Institute of Health, National Science Foundation, the Atlanta Research Data Center of the U.S. Census Bureau, Emory University, and Harvard University. He has served or is serving on the editorial boards of American Sociological Review, Journal of Machine Learning Research, Social Science Research, Sociological Methodology, and Sociological Methods and Research. He has advised 20 students on their dissertations. He helped organize the 7th Economic Sociology Conference at Emory (2019), the Conference on Big Data and Network Science at Indiana University (2017), and the Inter-Ivy and Sorensen Memorial Sociology Symposium at Harvard (2011). He is the Director of Graduate Recruitment for Emory Sociology.