Felix Tonsuglo Yakubu Longi is a social historian whose research focuses on chieftaincy and ethnic conflicts in Ghana and Slavery and Slave Trade in Northern Ghana. He holds a PhD in African History from University of Ghana. His PhD research, which interrogated inter-ethnic conflicts between the Mamprusi and Kusasi people in Northern Ghana (between 1902 and 2000), was partly sponsored by the Social Science Research Council (SSRC) under the prestigious ‘Next Generation of Social Sciences in Africa’ Fellowship program with funds provided by the Carnegie Foundation of New York. Longi is currently based at the University for Development Studies (UDS), Tamale, Ghana, where he is a Senior Research Fellow at the Institute for Interdisciplinary Research and Consultancy Services (IIRaCS) and teaches history and ethnic conflicts at the Faculty of Integrated Development Studies (FIDS), Africa and General Studies at Faculty of Communications and Cultural Studies. He is also a recipient of the Ghana Education Trust Fund (GETFUND) for graduate research funding (2010-2012). Since August 2015, he has been the coordinator of the Dagomba-Gonja History Research Project sponsored by Africa Tiger Holdings.