Rabbi Shai Held is president, dean, and chair¿in Jewish Thought at Mechon¿Hadar and directs its Center for Jewish Leadership and Ideas in New York City. He is the author of Abraham Joshua Heschel: The Call of Transcendence and¿a recipient of¿the¿Covenant Award for excellence in Jewish education. Rabbi Yitz Greenberg is one of the preeminent Jewish thinkers of our time.