Anna Cristina de Addio is the head of thematic research for UNESCO's GEM report, one of the annual studies on education monitoring One of the world's most prominent economists. An economist by training, he has also worked at the OECD on research on education, inequality, poverty, and, especially, the impact of policies. He is visiting Barcelona to present the 2024/25 GEM report. Leadership in education, From the Barcelona Center for Educational Leadership (LID).