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.