At the age of seventeen, Mary-Kate Olsen was one of the most popular teen actresses and producers in the world along with her twin sister Ashley, heading up a global fashion and entertainment empire with annual retail sales exceeding one billion dollars, and crossing cultural and language barriers. Credited as one of the two youngest producers in Hollywood ever at age 6, she has been compared by the media to such powerhouse entertainers and businesswomen as Oprah Winfrey and Jodie Foster. In a special issue devoted to Mary Kate and her sister Ashley, The Hollywood Reporter named them The Most Powerful Young Women in Hollywood.

First known for sharing the role of "Michelle Tanner" on the ABC-TV hit television series Full House from nine months old to nine years old, Mary Kate and Ashley literally grew up in public. Her success as a performer now extends to home videos and DVDs, books, a magazine, CDs, fashion dolls, videogames, apparel, fragrances, cosmetics, domestics and lifestyle products from the mary-kateandashley brand, with hundreds of millions of items sold. With the upcoming release of their feature movie New York Minute this May, Mary Kate and Ashley return to the big screen as actresses and producers, and open up a new chapter in their stellar and unprecedented careers.

Mary-Kate was born June 13, 1986 and is a senior in high school preparing to attend college this Fall. She lives in Los Angeles with her brothers and sisters.