Justin Willis is Professor in History at Durham University. He is the author of Mombasa, the Swahili and the Making of the Mijikenda (1993), Potent Brews: A Social History of Alcohol in East Africa 1850-1999 (2002) and co-editor of The Sudan Handbook (2011) – well as numerous articles on the history and politics of Ghana, Kenya, Sudan, and Uganda. He has previously served as Director of the British Institute in Eastern Africa.