Martin Palmer is the CEO of FaithInvest and Senior Advisor to WWF International on Beliefs and Values Rabbi Professor Daniel Sperber is a leading scholar of Jewish law, customs, and ethics. He taught in the Talmud Department of Bar-Ilan University, where he also served as dean of the Faculty of Jewish Studies. In 1992, he was awarded the Israel Prize for Jewish Studies. Prof. Sperber has published more than thirty books and over four hundred articles on the subjects of Talmudic and Jewish socioeconomic history, law and customs, classical philology, Jewish art, and halachic methodology and rabbinic decision-making in confrontation with modernity.