Han Zhang is an assistant professor of sociology and international and public affairs at Brown University. He obtained his Ph.D. in Sociology from Princeton University and his bachelor's in computer science and B.A. from Peking University. His substantive research interests include social movements (particularly in China) and digital surveillance (on a global scale). He also works on developing statistical and machine-learning methods for computational social science. His research has won best paper awards from the American Sociological Association and the International Communication Association.