Alexandrea "Alex" Borstein (born February 15, 1971) is an American actress, singer, voice actress, writer and comedian. She is best known for her long-running role as Lois Griffin on the animated television series Family Guy, and as a cast member on the sketch comedy series MADtv. A native of Highland Park, Illinois, Borstein is a graduate of San Francisco State University, where she studied rhetoric. She was trained in improvisational comedy at the ACME Comedy Theatre, near Hollywood, California, and was selected to join MADtv after being sc…