Aaron Benavot is a senior policy analyst at UNESCO (Paris) working on the Global Monitoring Report on Education For All, and a senior lecturer (on leave) from the Hebrew University of Jerusalem in Israel. His research focuses on the effects of education on development and democratization, the expansion of mass education, and worldwide patterns of official school curricula. Cecilia Braslavsky was Director of UNESCO's International Bureau of Education (IBE) from July 2000 until her untimely passing on 1 June 2005. A remarkable educationalist in the realms of both theory and practice, she made significant contributions to the field of curriculum development and change. She was formerly Educational Coordinator of the Latin American Faculty of Social Sciences (FLACSO), and Director-General of Educational Research in the Argentine Ministry of Education.