Timothy MacKenzie Gunn (born July 29, 1953) is an American fashion consultant, television personality, actor, voice actor and author. He served 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. Over 16 seasons Gunn has become well known as the on-air mentor to designers on the reality television program "Project Runway". Gunn's popularity on "Project Runway" led to two spin-off shows, Bravo's "Tim Gunn's Guide to Style" and Lifetime's "Under the Gunn", as well as five books. In addition to being an executive producer, Gunn has served as mentor for the teen designers on "". He also provides the voice of Baileywick, the castle steward in the Disney Junior television show "Sofia the First" and narrated the sitcom "Mixology".