Natascha Wagner is professor of International Economics at the Nijmegen School of Management of Radboud University (Netherlands). She is the director of the Global Data Lab, which develops databases and instruments for monitoring and analyzing the status and progress of societies. In its current version the database contains 133 indicators for 131 countries and 1483 sub-national regions. Importantly, the Global Data Lab provides the Subnational Human Development Index that uncovers human development in 1600 regions within 160 countries. Her research interests lie in international economics, development, health and education. She has participated in various impact evaluation projects in Africa and Asia ranging from public health, HIV testing and counseling to support for people living with HIV as well good governance, police integrity and rural infrastructure programs. Natascha applies experimental as well as quasi-experimental impact evaluation techniques to assess program effectiveness. She has been the lead principal investigator of a large scale randomized controlled trial on the impact of information and communication technology in promoting retention and adherence to antiretroviral treatment in Burkina Faso. She has published articles in, among others, Health Economics, Economics of Education Review, Journal of Development Studies and World Development.