Timothy M. "Tim" Gunn (born July 29, 1953) is an American fashion consultant and television personality. He was on the faculty of Parsons The New School for Design from 1982 to 2007 and was chair of fashion design at the school from August 2000 to March 2007, after which he joined Liz Claiborne as its chief creative officer. He is well-known as on-air mentor to designers on the reality television program Project Runway. Gunn's popularity on Project Runway led to his spin-off show, Bravo's Tim Gunn's Guide to Style, as well as his book A Guide to Quality, Taste and Style.
Gunn was born and raised in Washington, D.C. His father, George William Gunn, was an FBI agent during the administration of FBI Director J. Edgar Hoover. Gunn was a champion swimmer throughout high school, and later attended the Corcoran College of Art and Design, receiving a BFA in sculpture.
According to a video Gunn created for the It Gets Better project, he attempted to commit suicide at the age of 17 by swallowing over 100 pills.