In the 1920's, he dominated the Histadrut and in 1935 was elected chairman of the World Zionist Organization.
As a teenager he led "Ezra", a Zionist youth group, and, after arriving in Israel, he established the self-defense group "Hashomer." In the 1920's, he dominated the Histadrut and in 1935 was elected chairman of the World Zionist Organization. He presided over various projects including "Operation Magic Carpet,"  which was aimed at developing the newly created nation of Israel. FTP, name this first Israeli Prime Minister.
As a teenager he led "Ezra", a Zionist youth group, and, after arriving in Israel, he established the self-defense group "Hashomer."
David Ben-Gurion (or David Gruen)