Mary Kate was signed with the world famous Wilhelmina Models agency in New York City at age 9 and has modeled in campaigns for H&M, Justice, Limited Too, Express and Nike to name a few. Most notably she has posed in spreads for American Vogue and Vogue Bambini and has appeared in several spreads for Supermodel's Unlimited Magazine and has been named to their annual "Most Beautiful" models feature twice. She grew up primarily in Connecticut and is the daughter of photographer Catherine Fiehn, Her father is environmentalist Anthony Malat.