Fashion Guru Tim Gunn is an American fashion consultant, television personality, actor, and author. He is best known for his role as a mentor on the reality television program Project Runway. He is also the Chief Creative Officer at Liz Claiborne Inc. Gunn is known for his catchphrase 'Make it work' and his no-nonsense attitude when it comes to fashion. He has written several books on fashion and style, and has been featured in numerous magazines and television shows.