Shivangi Sinha
Netflix’s ‘Members Only: Palm Beach’ offers a look into the exclusive, high-society circles of Palm Beach, where wealth, influence, and long-standing social hierarchies shape everyday interactions. In season 1, as tensions and social competition ran high, Rosalyn Yellin stood out as a strong presence. She presented as a woman known for her deep-rooted connections and carefully cultivated friendships. She carried significant influence within the group, despite facing a few conflicts of her own. Rosalyn consistently held her ground, and her relationships and social capital continued to command respect and weight within the community.
Rosalyn Yellin Acted Like a Mentor to a Fellow Castmate
Throughout much of the season, Rosalyn Yellin emerged as a central figure. By the time filming began, she had already been part of the Palm Beach, Florida, social scene for nearly five years. Raised in Margate, New Jersey, she later moved to Palm Beach with her husband and fulfilled a long-held dream of becoming part of its elite society. Once there, she was taken under the wing of Gale Brophy, a well-established resident who introduced her to the customs, etiquette, and unspoken rules of the social world. Rosalyn adapted quickly and steadily worked her way to a respected position within the circle.
As her own standing grew, Rosalyn tried to extend similar guidance to Ro-Mina Ustayev. With Gale’s support, she attempted to mentor Ro-Mina and help her navigate the group’s expectations. However, the effort did not unfold as smoothly as Rosalyn had hoped. According to their interaction on the show, Ro-Mina felt that Gale’s advice often came across as condescending, particularly when it pertained to how she dressed and presented herself. While she appreciated Rosalyn’s support, there seemed to be an underlying tension that complicated the dynamic.
These issues contributed to Rosalyn’s ongoing conflicts with Hilary Musser, with whom she had clashed repeatedly in the past. Though the two often disagreed and regularly butted heads, they continued to move within the same social circles. Toward the end of the season, Rosalyn felt increasingly targeted by the group during a tense dinner. She firmly defended herself and directly confronted Hilary, especially over not being invited to the opening event of the Palm Beach season. Despite lingering disagreements, the confrontation ended with both parties acknowledging that mutual respect should exist, even if complete harmony was not achieved.
Rosalyn Yellin Spearheads Many Philanthropic Endeavors in Her Community Today
Before relocating to Florida, Rosalyn Yellin built her professional foundation in New Jersey, where she trained extensively in the performing arts, including singing, theatre, and dance. Over time, this background evolved into a successful career as a dance fitness instructor, allowing her to combine performance, movement, and teaching into a structured profession. Palm Beach had long been a personal goal for Rosalyn, and when she moved there around 2020, she was intentional about making meaningful contributions to her new community. After settling, Rosalyn became actively involved in philanthropy. She began working with Cancer Alliance of Palm Beach, an organization that provides support services, financial assistance, and advocacy for individuals and families affected by cancer.
She also aligned herself with Place of Hope, a nonprofit focused on supporting abused, neglected, and homeless children, as well as families in crisis through housing, outreach, and long-term care programs. In addition, she became involved with The Grey Team, a nonprofit dedicated to raising awareness and funds to combat human trafficking through education, prevention, and survivor support initiatives. By 2023, Rosalyn had taken on a leadership role as Sponsorship Chairwoman for The Grey Team. Her work included organizing and hosting high-profile fundraisers, such as the annual Light in the Shadows anti–human trafficking luncheon held in support of Place of Hope.
Her contributions in this area were formally recognized in December 2025, when she received an Eagle Award on behalf of The Grey Team. In September 2025, Rosalyn was announced as Sponsorship Chairwoman for the America First Gala for the second consecutive year, a role centered on securing sponsors and supporting the event’s philanthropic mission. Alongside her advocacy work, Rosalyn has expanded into content creation and shares fitness-focused material as well as cooking and recipe videos. She has also collaborated with brands such as Yuvetica and activewear label Wiski. In November 2025, she attended The Moore Club in Miami for the Mimi Collection Fashion Show and even attended the Cannes Film Festival in 2025. She is a cultural connoisseur and continues finding new avenues to put her energy into.
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Rosalyn Yellin Has Been Blessed With the Support of Her Large and Loving Family
Rosalyn Yellin often says she considers herself rich in many ways, but most importantly in family. She shares her life with her husband, Jonathan Yellin, a successful litigation attorney, and together they raised five children, Mollie, Madeleine, Mia, and twins Kyle and Will, with a strong sense of closeness and support. As their children have grown and built lives of their own, Rosalyn takes great pride in watching them pursue paths that reflect both independence and a sense of purpose. That sense of family has only expanded, as she is now a grandmother to four grandchildren, Beau, Lottie, Annabel, and Maisy.
In September 2025, the family celebrated a special chapter by traveling together across Africa. The trip included safari experiences where they saw elephants, giraffes, lions, and zebras in their natural habitats, along with time exploring open plains, wildlife reserves, and local landscapes that made the journey both adventurous and meaningful. That same year also brought loss. In March 2025, Rosalyn lost her grandmother, whom she spoke about with deep affection. She has shared how both her grandmother and grandfather, both Holocaust survivors, shaped her values and perspective on life.
Animals, especially dogs, remain central to Rosalyn’s home. A strong advocate for rescue and adoption, she adopted her dog, Lou Lou, from Tri-County Animal Rescue in Boca Raton in December 2025, shortly after losing her beloved dog, CC, in November 2025. For Rosalyn, rescuing Lou Lou was both healing and a continuation of her belief in “adopt, don’t shop.” Thankful to have had Jonathan by her side through it all, she often celebrates their life and him as the best father and husband she could have had. Rosalyn considers her life to be a blessing and makes sure to be grateful for it in every way.
