Zachary Caleb Steinert-Threlkeld is an Assistant Professor of Public Policy at the Luskin School of Public Affairs. His research develops theories about the dynamics of contentious politics and tests them with computational methodologies. He has studied protest waves in the Middle East and North Africa, Ukraine, Venezuela, the United States, and Uganda.

Anton Sobolev is a postdoctoral associate in the Leitner Program on Political Economy at Yale University. His research studies questions of comparative politics using text analysis, machine learning, and causal inference. Recent projects focus on mass protest and political control in autocracies.