Ray Fisman is the Lambert Family Professor of Social Enterprise and Research Director of the Social Enterprise Program at the Columbia Business School. He received his Ph.D. in Business Economics from Harvard University, and his work has been covered widely in the popular press, from Maureen Dowd in the New York Times to Al Jazeera to the Shanghai Daily. He also writes a monthly column for Slate. His first book, Economic Gangsters (with Ted Miguel), was published to great critical acclaim by Princeton University Press in 2008.

Tim Sullivan is an executive editor at Harvard Business Books. He has also worked at Basic Books, Portfolio, and Princeton University Press, and has worked with some of the world's leading economists.