The content of the Scale Up Sourcebook was informed by a Scale Up Conference organized by Purdue University and held in West Lafayette, Indiana, USA, on September 25–27, 2018. The conference was made possible by Purdue’s partner organization, the African Development Bank, and company sponsors, which included BASF, Bayer, Corteva Agriscience, and Land O’Lakes. Lead conference organizers at Purdue University were Suzanne Nielsen (Professor of Food Science; Faculty Fellow in the Office of Corporate & Global Partnerships) and Carolyn Woo (Emeritus President and CEO of Catholic Relief Services; Distinguished President’s Fellow for Global Development at Purdue University).