Jamie-Lynn Sigler
Multiple sclerosis advocate and actress Actress Jamie-Lynn Sigler was just 21 when her life changed overnight. After a day on the set of The Sopranos, on which she played the character Meadow Soprano for six seasons, she felt a heaviness and tingling in her legs. Days later, MRIs and a spinal tap confirmed the diagnosis of relapsing multiple sclerosis. The diagnosis was devastating. Then came a warning from the show’s doctor: Keep it secret. In Hollywood, Sigler knew, vulnerability was a dangerous thing.
So she stayed silent. For 15 years, she carried her diagnosis alone, sinking into isolation and depression. “That secrecy,” she later said, “took the joy out of my job.”
In 2016, she finally broke the silence. The impact was immediate and lasting. By sharing her story, she not only reclaimed her own life but also changed the conversation around MS forever. Today, Sigler is one of the condition’s most visible advocates, determined that no one else should endure the loneliness she once did.
Her advocacy is both practical and personal. With Novartis and Kesimpta, she co-created a three-step framework to help patients reflect, reframe and reach out for support. She also helped develop the Decision Guide, a tool designed to empower newly diagnosed patients to have open, informed discussions with their specialists. These resources transform her lived experience into roadmaps for others.
She has also made candor her calling card. On the highly-rated MeSsy podcast, which she co-hosts with fellow actress Christina Applegate, Sigler talks with raw honesty — and plenty of humor — about the unpredictability of MS. Conversations with friends, co-stars and fellow patients have become a lifeline for listeners who crave candor and connection. Among them: Mel Robbins, Conan O’Brien, Jimmy Kimmel and Edie Falco, Sigler’s co-star on The Sopranos.
That openness extends to her family life. Sigler has written about pushing her sons’ stroller, however long it takes, and cheering them on at hockey and karate. She is frank about the daily aches and frustrations — and equally clear about the love that sustains her. She credits her husband Cutter Dykstra with encouraging her to go public, which she did just days after their wedding. And she’s especially grateful for her two children: “They only know this one mommy,” she has said. “And they’ve shown me I don’t need to be anything else to be deserving of love.”
Advocates praise Sigler for her courage, candor and community-building. What began as a silenced diagnosis has become a movement built on education, empathy and empowerment. Her vulnerability has given fellow MS patients hope and made the condition impossible to ignore in the public square.