Oliver Cumming Editor

Oliver Cumming is an Assistant Professor of Environmental Health at the London School of Hygiene and Tropical Medicine, UK, where he works on the epidemiology of water and sanitation-related diseases. He is currently working on multiple trials to assess the impact of water and sanitation interventions on childhood enteric infection, undernutrition and oral vaccine failure in Africa and South Asia.

Tom Slaymaker is a Senior Statistics and Monitoring Specialist in the Data and Analytics section at UNICEF Headquarters, USA. He has nearly 20 years of experience working on water and sanitation in Africa and Asia, and currently co-leads the WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (JMP).