Sergio DellaPergola is Professor Emeritus and former Chairman of the Hebrew University’s Harman Research Institute of Contemporary Jewry. Born in Italy 1942, in Israel since 1966. M.A., Political Sciences, University of Pavía; Ph.D., The Hebrew University of Jerusalem, 1973. Specialist on the demography of world Jewry, issued numerous books and monographs and over 300 papers, including Israel and Palestine: The Power of Numbers (2008), Jewish Demographic Policies: Population Trends and Options (2011), Jewish Population and Identity: Concept and Reality (2018, with Uzi Rebhun), Diaspora vs. Homeland: Development, Unemployment and Ethnic Migration to Israel, 1991-2019 (2020), and since 1982 the annual chapter World Jewish Population in the American Jewish Year Book. Lectured at over 100 universities in five continents. Member of the advisory committee of the 2013 and 2020 Pew surveys on Jewish Americans and of the2012 and 2018 FRAsurveys on Perceptions of Discrimination and Antisemitism in European Union Member States. Advisor to major Israeli and international organizations. Winner of the Marshall Sklare Award for distinguished achievement by the Association for the Social Scientific Study of Jewry (1999), and the Michael Landau Prize for Demography and Migration (2013). Member of Yad Vashem's committee for the Righteous among the Nations.