Nicoletta Stame retired as Professor of Social Policy at “Sapienza” University of Rome. She is a past president of the Italian Evaluation Association and of the European Evaluation Society and associate editor of Evaluation. Nicoletta is interested in the theory and methods of evaluation, on which has published widely in Italian and international journals and edited books. María Bustelo is a professor of political science and public administration at the Complutense University of Madrid (UCM), where she has directed the Master on evaluation since 2002. She is an EES past president (2012-2013) and an Executive Board member of the Spanish Evaluation National Agency (AEVAL) (2007-2012). She specializes in evaluation, gender, and institutionalization.