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Some actors don’t just play roles — they own them. Maggie Siff is one of those rare talents. Whether you first saw her as Rachel Menken in Mad Men, the conflicted Dr. Tara Knowles in Sons of Anarchy, or the brilliant Wendy Rhoades in Billions, Siff has a knack for making every character unforgettable. But beyond her iconic screen presence, who is Maggie Siff in real life, and what’s she up to in 2025? Let’s dive into her biography, career highlights, and must-know facts.
Who Is Maggie Siff? A Quick Biography
Maggie Siff was born on June 21, 1974, in The Bronx, New York City. Raised in a family with both Irish and Jewish roots, she grew up with a deep appreciation for culture, literature, and the arts.
After attending Bronx High School of Science, Siff studied at Bryn Mawr College, where she earned a degree in English. She later went on to pursue an MFA in acting at NYU’s Tisch School of the Arts, a decision that would launch her journey into professional theater and, eventually, television stardom.
Maggie Siff’s Breakthrough Roles Fans Never Forget
Mad Men: Rachel Menken
Siff first caught TV fans’ attention on AMC’s Mad Men, playing Rachel Menken, a strong and independent department store owner. Though her role was limited to the early seasons, Rachel was a fan-favorite and one of Don Draper’s most compelling love interests.
Sons of Anarchy: Dr. Tara Knowles
For many fans, Maggie Siff will always be remembered as Tara Knowles, Jax Teller’s true love in FX’s cult biker drama Sons of Anarchy. Her character brought both vulnerability and strength to the violent SAMCRO world, and her shocking storyline in later seasons still sparks debates in fan forums. (If you enjoy shocking TV twists, check out our piece on Ozzy Osbourne’s cause of death, which rocked the music world.)
Billions: Wendy Rhoades
Since 2016, Siff has played Wendy Rhoades in Showtime’s Billions — a performance that cemented her as one of TV’s most versatile actresses. As a performance coach and psychiatrist navigating the high-stakes world of finance, Wendy became a cultural icon for her sharp intellect and commanding presence. Even after the series concluded in 2023, her role remains one of her most celebrated.
Maggie Siff’s Age in 2025 — How Old Is She Now?
Born in 1974, Maggie Siff is 51 years old in 2025. Fans often remark on her timeless beauty and commanding screen presence, noting that she continues to land roles that showcase both maturity and depth. (Speaking of age, fans are also curious about streaming star Kai Cenat’s age as he continues his meteoric rise.)
Career Beyond TV — Films, Stage & Voice Work
While TV has been her main platform, Siff has also appeared in independent films such as Push, Leaves of Grass, and One Percent More Humid. She’s no stranger to the stage either, having worked in regional theaters early in her career.
Another fun fact? Maggie Siff has done voiceover work, including commercials for major brands — proving her talent stretches far beyond the screen. (It’s a versatile path that echoes the surprising story behind Tau Techno Mechanicus Musk, Elon Musk’s meme-worthy son.)
Maggie Siff’s Personal Life — Is She Married? Does She Have Kids?
Unlike many celebrities, Maggie Siff keeps her private life relatively low-key. She married Paul Ratliff, a psychotherapist, in 2012. Together, they have one daughter, born in 2014.
Siff has spoken in interviews about the importance of balancing family life with the demands of acting, often choosing roles that allow her to maintain that equilibrium. (Similarly, fans have long admired Judge Frank Caprio for balancing family values with public life.)
Maggie Siff’s Net Worth in 2025
According to sources like Celebrity Net Worth, Maggie Siff’s fortune is estimated at $8 million in 2025. The bulk of her earnings come from her major TV roles in Sons of Anarchy and Billions, along with film work, voice acting, and occasional endorsements.
To put that in perspective, it’s less than megastars like Taylor Swift’s net worth or Simone Biles’ fortune, but still impressive for an actress who values selectivity over nonstop appearances.
What’s Maggie Siff Doing Now in 2025?
Although Billions ended in 2023, Maggie Siff hasn’t disappeared from the spotlight. In 2024 she was linked to an upcoming indie drama project, and rumors suggest she may be considering a return to theater. With her track record, fans are eagerly waiting to see what her next career move will be. (Meanwhile, the internet was recently abuzz with headlines about whether Taylor Swift is engaged, proving just how much celebrity updates fuel fan curiosity.)
Maggie Siff’s Instagram & Social Media Presence
Unlike many of her Hollywood peers, Siff isn’t particularly active on Instagram or Twitter. While there are fan accounts dedicated to her, she keeps her digital footprint minimal. For many fans, this makes her feel even more enigmatic and authentic. (For contrast, rising pop icons like Sabrina Carpenter use Instagram as a major platform to connect with fans.)
Must-Know Fun Facts About Maggie Siff
- She’s of both Irish and Russian-Jewish descent.
- She once worked as a temp at a hedge fund before Billions — talk about foreshadowing.
- She narrated several commercials, lending her distinctive voice to brands.
What’s Next for Maggie Siff in 2025 & Beyond?
As fans look ahead, there’s no doubt Maggie Siff will continue surprising audiences. Whether it’s a return to Broadway, another prestige TV series, or a low-key indie film, her career choices reflect a commitment to artistry over fame. And in the age of viral headlines and celebrity gossip, that’s a refreshing twist.
