James David Weinroth, better known as J.D. Roth, is an American television personality, actor, children's game show host, a voice-over performer on many television programs, and a television producer of reality shows. Roth is the co-creator and currently the announcer of the reality show The Biggest Loser on NBC. He also hosted ABC's fall 2008 series Opportunity Knocks. His previous hosting jobs include the Fox adult reality game show Unan1mous, the children's reality show Endurance on NBC and the Discovery Kids Channel, and the children's game show Fun House which aired both in syndication and on Fox. Roth is also the CEO of 3Ball Productions, a television production company based in Manhattan Beach, California. 3Ball Productions was sold to Dutch group Eyeworks in 2006 and was renamed to Eyeworks USA. In 2014, when Eyeworks' businesses outside of the US were sold to the Warner Bros. Television Group, Eyeworks USA became independent. Roth and his wife Christine are the parents of two children, Cooper and Duncan. 

April 20th, 1968 in Cherry Hill (Age 56)