Dyesse YUMBA is the data manager of ESPEN collect. He holds a professional license from the “Ecole Supérieur de Gestion et d’Administration des Entreprises” (ESGAE) and has 5 years of experience as a data manager at WHO AFRO and 3 years of experience as an enterprise application developer. Dyesse YUMBA contributed to the creation of ESPEN Collect which is a set of mobile data collection services that ESPEN makes available to countries organizing mapping and impact assessment surveys.