Bet Caeyers is Senior Researcher at Christian Michelsen Institute (CMI, Bergen) and Adjunct Associate Professor at FAIR/Norwegian School of Economics (NHH). She is also Deputy Research Director of UKAID funded THRIVE, a large-scale multi-country 6-year research program focusing on how best to scale Early Childhood Development services in Low- and Middle-Income Countries. Her research is centered on policy and programmatic approaches to scaling social protection and human development services, with a particular focus on Early Childhood Development (ECD) and sanitation. Her work spans the interface between measurement, the design and evaluation of low-cost, high-impact, context-appropriate services, and their scalability for national delivery and impact.