James Copestake is a Development Economist with twenty years' experience researching microfinance and poverty (in South Asia, Africa and Latin America), including five years as one of the coordinators of 'Imp-Act' a global programme of action-research into improving the impact of microfinance on poverty. Martin Greeley is a Fellow at the Institute of Development Studies, University of Sussex, UK. He has worked on rural development for 30 years with extensive engagement on microfinance. Susan Johnson is Lecturer in International Development, University of Bath. She previously worked for ActionAid and has researched and written on impact assessment in microfinance mainly in Africa. Prof Naila Kabeer, Professorial Fellow, Institute of Development Studies, is a well-respected academic working in the fields of poverty, economics, gender, and social capital. Anton Simanowitz is Programme Manager, Imp-Act, Institute of Development Studies. He has published extensively, and is on the faculty of the two major microfinance training programmes - Boulder and New Hampshire. He is advisor to the USAID Poverty Assessment tools project and the CGAP/Ford Social Indicators project.