Jon G (born Jonathan Eric Grey on July 1, 1965 in Columbus, Ohio, USA) is a weight-loss personality best known for his appearance on a Jenny Craig commercial with Kirstie Alley in July, 2006. Grey is a real life Jenny Craig client, not a professional model hired for the commercial, that lost 140 pounds on the program and placed 2nd to Olympian Ron Karnaugh in the 2003 USMS Long Course National Swim Championships 6 months after losing 102 pounds. Wikipedia
