This evaluation was prepared by an Independent Evaluation Group team led by Jenny Gold, senior evaluation officer, and Stephen Porter, senior monitoring and evaluation officer, under the overall direction of Alison Evans, Director-General, Evaluation, and with the guidance and supervision of Galina Sotirova, manager, Corporate and Human Development, and Oscar Calvo-Gonzalez, director, Human Development and Economic Management.

Santiago Ramirez Rodriguez was responsible for the portfolio analysis, with support from Brian Allen, Mohammad Anas, and Harsh Anuj. Harsh Anuj, Yingjia Liu, and Stephen Porter led text analytics of past project lessons and procurements. Case studies were conducted by Jenny Gold, Elissar Harati, Aliza Inbal, Victor Malca, Eduardo Fernandez Maldonado, Lourdes Pagaran, Stephen Porter, and Denise Vaillancourt, with support from Emilia Alduvin, Mamka Anyona, Pooja Churamani, Ventura Mufume, Louise Pierre, Amadou Hassane Sylla, Robert Waswaga, and Maribelle Zonaga.

Mamka Anyona prepared the rapid review of evidence. Dawn Roberts prepared the innovation stocktaking, review of monitoring, and analyses of advisory services and analytics. Dawn Roberts also provided advice on the evaluation methods. Ryoko Sato supported the heat map analysis, and Luis Da Silvia supported the clustering and decision tree analysis. Goele Scheers and Richard Smith led the regional project analysis, with support from Elissar Harati. Rasmus Heltberg led the review of operational processes and partnerships, with support from Mamka Anyona and Neeta Sirur.

Estelle Raimondo provided overall methods support. Gaby Loibl provided administrative support to the team. William Hurlbut and Janet MacMillan edited the report, and Sharon Fisher provided design and editorial support.

The peer reviewers for this evaluation were Tamar Manuelyan Atinc (senior fellow at Brookings Institution and former vice president for human development at the World Bank), David Zakus (adjunct professor at the University of Toronto, former director of global health at the Canadian Public Health Association, and founding director of the Centre for Global Health at the University of Toronto), and Marine Buissonnière (independent researcher in epidemic preparedness, and response and former director of public health at the Open Society Foundations). The advisory panel for this evaluation was composed of Richard Seifman (former senior health adviser at the World Bank), Bruno Marchal (professor and evaluation methods expert at the Institute of Tropical Medicine, Antwerp), and Shanta Devarajan (professor at Georgetown University and former acting chief economist at the World Bank).

The team is grateful to all the staff who generously shared documents, insights, and experiences and engaged with us throughout the evaluation. The team acknowledges the country offices of Djibouti, Honduras, India, Mozambique, the Philippines, Senegal, Tajikistan, and Uganda for their support during the case studies, and the program leaders and staff who shared innovations.