American TV and film actress Maura Tierney has an estimated net worth of $8 million. She is perhaps best known for her appearance on NewsRadio sitcom where she played the role of Lisa Miller, as well as on the medical drama TV series ER as Abby Lockhart which won her nominations for the Primetime Emmy Award for Outstanding Supporting Actress in a Drama Series in 2001, Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Drama Series in 2001, and the Satellite Award for Best Actress in a Television Series Drama in 2003.

Maura Therese Tierney was born on February 3, 1965 in Hyde Park, Massachusetts, USA. From 1993 to 2006, she was married to Billy Morrissette. She was an alumnus of New York University where she initially majored in dance, then to drama later.

As an actress, Tierney started her career by her appearance in numerous plays. Her major role came in 1987 made for TV film titled Student Exchange. She started earning regular national exposure after appearing on the NewsRadio sitcom. While working on the sitcom, Tierney has appeared in several successful films which include Forces of Nature, Primary Colors, and Primal Fear. She was also a part of Liar, Liar which she co-starred with Jim Carrey.