Sister Souljah (born Lisa Williams, 1964) is an American author, activist, and social commentator. Born in the Bronx, New York, she gained prominence as a former member of the Nation of Islam. She is best known for her 1999 novel "The Coldest Winter Ever," which became a bestseller and established her as a significant voice in contemporary literature. Souljah is recognized for her sharp social commentary on African American community issues and her exploration of race, class, and social justice in her works.