Tim Gunn is an American fashion designer, television personality, and author, best known for his role as a mentor on the reality television show Project Runway. He was born on July 30, 1953, in Washington, D.C., and has a background in fashion education, having served as the chair of the fashion design department at Parsons School of Design. Gunn is recognized for his distinctive style and catchphrase, "Make it work," which encourages creativity and problem-solving in fashion design. In addition to his work on television, he has authored several books, including Tim Gunn: A Guide to Quality, Taste, and Style, sharing his insights on fashion and personal style.