Daryl Collins conceived and directed the most recent version of the financial diaries in South Africa (see www.financialdiaries.com) and is a senior associate at Bankable Frontier Associates in Boston (www.bankablefrontier.com). Previously, Daryl was a senior lecturer in finance at the University of Cape Town, where she lectured on emerging financial markets to Honors and MBA students. She holds a B.Sc. and an M.Sc. in Economics from the London School of Economics.

Jonathan Morduch is professor of public policy and economics at New York University and coauthor of The Economics of Microfinance. He writes and advises widely on microfinance and financial markets. He leads the Financial Access Initiative (www.financialaccess.org), a consortium of researchers at NYU, Harvard, Yale, and Innovations for Poverty Action. Morduch holds a Ph. D. in Economics from Harvard.

Stuart Rutherford is the author of The Poor and Their Money, and founder of SafeSave, a microfinance institution in Bangladesh (www.safesave.org). For more than thirty years, Rutherford has been talking to poor people about how they manage their money. This has taken him into slums and villages in Mexico and Nicaragua, in Kenya, Burundi, Rwanda, Somalia, The Gambia, Uganda, Tanzania and South Africa, and in China, The Philippines, India, Bangladesh, Pakistan, Nepal, Sri Lanka, Vietnam, Cambodia and Thailand. Rutherford holds a first class degree from Cambridge University and is a qualified architect.

Orlanda Ruthven holds a doctoral degree in international development at the University of Oxford and currently works for Impactt, a "double-bottom" line trade organization dedicated to enabling companies to improve working conditions in their supply chains, while achieving strong financial returns. After undertaking research and consultancy in microfinance with the UK Department for International Development (DFID), she pursued a PhD (University of Oxford, 2008), studying ethics in the workplace in a north Indian city exporting metal home ware to stores in Europe and America. Before joining DFID, she worked for two livelihood-focused NGOs in London and Sri Lanka. She has a degree in anthropology (Manchester) and a Masters in development studies (SOAS).