Zac Posen is a renowned fashion designer who has been in the industry since 2001. He is known for his glamorous and sophisticated designs, which have been worn by celebrities such as Rihanna, Gwyneth Paltrow, and Naomi Campbell. He has also collaborated with brands such as Brooks Brothers and David's Bridal. Posen has won numerous awards, including the Council of Fashion Designers of America's Swarovski Award for Womenswear Designer of the Year in 2004.