Don K. Preston is president and founder of Preterist Research Institute, of Ardmore, Ok. He is a prolific author, having published 19 titles, and many DVDs and MP3s on Biblical prophecy. He owns two popular websites: www.eschatology.org and www.bibleprophecy.com. He is co-host with William Bell, of a popular Internet Radio program, "Two Guys and the Bible," that airs each Tuesday evening at 6 PM central time on www.AD70.net. Preston lectures around the world, and engages in formal debates and radio programs. He is available for seminars and debates.