AdvertisementFrom Trembling Teacher To Seasoned Mentor: How Tim Gunn Made It WorkNovember 28, 2015facebookEmailProject Runway host Heidi Klum and Tim Gunn at the Project Runway Spring 2013 fashion show in New York City. Today, Gunn is comfortable before an audience — but it wasn't always that way. (Getty Images for Mercedes-Benz Fashion Week)