Bart Ehrman chairs the Department of Religious Studies at the University of North Carolina at Chapel Hill. One of the major public experts on early Christianity, Jesus, and the New Testament, he is very well known in his field and to a general audience through his books Lost Christianities, Lost Scriptures, and Truth and Fiction in The Da Vinci Code. He has appeared on A&E, the History Channel, CNN, and other TV and radio shows, and has taped several highly popular lecture series for "TheTeaching Company."