Sinai Indaba is an annual Torah convention of the foremost international Jewish leaders and thinkers. See more at: www.SinaiIndaba.com

Harvard graduate, Rabbi Kelemen is a world expert on comparative religion, addressing the historical and philosophical proofs on the existence of Gd and the authenticity of the Torah, based on his books Permission to Believe and Permission to Receive. Kelemen's areas of expertise are diverse, extending to the fields of relationships, as seen in his widely acclaimed book on parenting To Kindle a Soul. His lectures and writings are testament to his impressive academic background and eclectic life experiences, from Middle East researcher, to skiing instructor and radio anchorman. As a lecturer at Neve Yerushalayim, Rabbi Kelemen taught over 8,000 students and he continues to lecture to university students on the campuses around the world, including Oxford, Yale and Harvard.