A jubilee volume in honor of Prof. Menahem Ben-Sasson. The book, which contains 22 articles written by Prof. Ben-Sasson's colleagues, students, friends, and family members is dedicated to phenomena of leadership in the Jewish world. The various articles examine conceptions, practices and ways of Jewish leadership from diverse perspectives and in varied times and places. They are based on variegated sources: historical and judicial documents, biblical exegeses, poetry, letters, Responsa, polemical and philosophical writings. The volume is a tribute to Prof. Ben Sasson's extensive academic and public activity.