Rabbi Tovia Singer and Reverend Jim Cantelon Debate. Rabbi Tovia Singer is well known as the Founder and Director of Outreach Judaism, an international organization dedicated to countering the efforts of fundamentalist Christian groups and cults who specifically target Jews for conversion. As a world renowned public speaker, Rabbi Singer addresses more than 100 audiences a year. Through his stimulating and provocative appearances, Rabbi Singer has been an inspiration to thousands. Lecturing on college campuses and synagogues throughout the country has become an integral part of his work. He is the author of the book Let’s Get Biblical: Why Doesn’t Judaism Accept the Christian Messiah?”, and is a frequent guest on Television and radio shows.