Leonardo Arriola is an Associate Professor of Political Science at UC Berkeley. He studies democratization, ethnic politics, and political violence with a focus on African countries. His current research examines how electoral violence affects multiparty competition, power sharing, and state repression. He has conducted field research in Cameroon, Ethiopia, Kenya, Madagascar, and Senegal. He has previously been a visiting scholar at the Kellogg Institute for International Studies at Notre Dame, a Fulbright scholar at the Institute of Ethiopian Studies at Addis Ababa University, and a visiting researcher at the West African Research Center in Dakar, Senegal. He is author of Multi-Ethnic Coalitions in Africa: Business Financing of Opposition Election Campaigns (Cambridge University Press, 2013) among other publications.