Simon Koschut is Professor of International Security at Zeppelin University in Friedrichshafen, Germany. His research interests are international relations, in particular regional security governance, norms and emotions in world politics. Previously, he was a DFG Heisenberg fellow and visiting professor at Freie Universität Berlin, Fritz Thyssen Fellow at Harvard University's Weatherhead Center for International Affairs, and Fulbright Scholar at San Francisco State University. He is currently leading a research project on ""Affective Contestation"" that looks at how emotions underpin transnational protest against EU migration policies. Andrew Ross is Research Professor in the International Studies Program at Johns Hopkins University. He has research interests relating to populism, participatory media, emotion, and authority in world politics. In addition to the book Mixed Emotions: Beyond Fear and Hatred in International Conflict, his work theorizing the role of emotions in IR has been published in Millennium, International Theory, the European Journal of International Relations, International Organization, and Political Psychology.