Lichen Zhen is a Ph.D. student at Annenberg School for Communication and Journalism at the University of Southern California. Prior to joining Annenberg, she received her B.A. in Journalism from Wuhan University and her M.A. from the Radio, Television and Film department at the University of Texas at Austin. Her research interests lie at the intersection of social network analysis, online group collaboration, and organizational communication. She is especially interested in how individuals use technology to form groups, reach consensus and engage in coordinated actions. She also has a growing interest in using network approaches to understand the mechanism of misinformation diffusion and the relationship between the spread of misinformation and political polarization online.