Graeme Blair is an Associate Professor of Political Science at UCLA and Co-Director of Training and Methods of Evidence in Governance and Politics (EGAP). He uses experiments, field research, and statistics to study how to reduce violence and improve social science research. Fotini Christia is the Ford International Professor of the Social Sciences at MIT and Director of the Sociotechnical Systems Research Center at the MIT Schwarzman College of Computing. She is the author of Alliance Formation in Civil Wars (Cambridge University Press, 2013) and her research has appeared in Science, Nature Human Behavior, Review of Economic Studies, American Political Science Review, and Annual Review of Political Science. Jeremy M. Weinstein is Professor of Political Science at Stanford University and Faculty Director of Stanford Impact Labs. He is an award-winning author and teacher with expertise in comparative politics and the political economy of development. He has also served at senior levels of the US Government, including most recently as Deputy to the US Ambassador to the United Nations.