Tom Colicchio is a noted American celebrity chef. He was co-owner, co-founder, and executive chef of the Gramercy Tavern in New York City, which opened in 1994 and was voted Most Popular Restaurant in New York City by the Zagat Survey in 2003 and 2005. He sold his interest in 2006 and is no longer affiliated with the restaurant. He is also the founder and co-owner of the Craft restaurants.
Colicchio is the recipient of five James Beard Foundation Medals for cooking accomplishments. He has been the head judge on every season of the Bravo reality TV show Top Chef.
Source - http://en.wikipedia.org/wiki/Tom_Colicchio