Maggie Siff is an American actress known for her roles in popular television series. She gained widespread recognition for her performances as Rachel Menken in the critically acclaimed show Mad Men and as Tara Knowles in the drama series Sons of Anarchy. Born on June 21, 1974, in The Bronx, New York, Siff studied at Bryn Mawr College and later earned a Master of Fine Arts degree from New York University's Tisch School of the Arts. In addition to her television work, she has appeared in films and theater, showcasing her versatility as an actress.