David Booth is a research fellow at the Overseas Development Institute. Prior to this, he was a university academic at Hull and Swansea, latterly as professor of development studies. He has been editor of the journal Development Policy Review (2000-09) and director of the Africa Power and Politics Programme (2007-12). He now coordinates a joint project on Developmental Regimes in Africa while also contributing to training courses in applied political economy analysis for development agencies worldwide. David's publications include Rethinking Social Development (1994), Fighting Poverty in Africa: Are PRSPs Making a Difference? (2003), Good Governance, Aid Modalities and Poverty Reduction (2008), Working with the Grain? Rethinking African Governance (2011) and Development as a Collective Action Problem (2012). He has authored numerous journal articles, ODI papers and blogs in related fields. Diana Cammack is a research associate of the Overseas Development Institute. She obtained her PhD at the University of California, specialising in South African history (The Road to War, 1990). As an SSRC-MacArthur Fellow on Peace and Security in a Changing World she retrained at Oxford University in the early 1990s in human rights and the politics of aid. Diana led the politics and governance team at the Overseas Development Institute for three years and between 2008 and 2012 she headed the Local Governance and Leadership stream of the Africa Power and Politics Programme. She has worked as a consultant researcher in sub-Saharan Africa for three decades. In recent years she has specialised in political economy studies, with a focus on the link between politics and development in neopatrimonial and fragile states.