Jack is currently Executive Director of Aish.com. He holds a degree in Industrial Engineering from the University of Pittsburgh, where he played varsity tennis. He has worked variously for the U.S. Air Force and in casino management in Nevada. He received rabbinic ordination in Jerusalem and currently lives in Ramat Beit Shemesh with his wife and children. Rabbi Kalla''s responsibilities at Aish.com include fundraising and marketing.