Past Events
Garden Ball: Beverly Hills Edition 2025
COSF celebrated its first sold-out Garden Ball at the iconic Dawnridge Estate in Beverly Hills. The exclusive dinner event honored top donors and immersed guests in a “Maharaja’s Palace” experience. Garden Ball launches a traveling fundraiser with future stops planned in Palm Beach, St. Tropez, and more.
Cocktails by the Sea 2025
During the height of the Cannes Film Festival, Cocktails by the Sea lit up the terrace of Hotel Martinez with an unforgettable evening celebrating the power of storytelling and the impact it can make.
Aspen Snow Ball Gala After Party 2025
The festivities didn’t end with the gala! The Aspen Snow Ball Gala After Party at Zig Zag ensured that Aspen Snow Ball Week concluded with a high-energy celebration.
Aspen Snow Ball Gala 2025
The Children’s Oncology Support Fund (COSF), founded by film producer and philanthropist Thomas Pierce, celebrated its 3rd Annual Aspen Snow Ball Gala on February 8th at the St. Regis Aspen, hosted by Jay Leno.
Night Before Benefactor Dinner 2025
Children Oncology Support Fund (COSF)’s Night Before Benefactor Dinner made a triumphant return for its third year, held at the exclusive Snow Lodge & hosted by Velocity Black and Thomas Pierce.
Kick-Off Benefit Concert 2025
Hosted at the stunning Aspen Art Museum, the Kick-Off Benefit Concert was a night where music and philanthropy took center stage.
The Art of Healing Panel 2025
Held at the historic Wheeler Opera House, Children Oncology Support Fund (COSF)’s Art of Healing Panel Event brought together an esteemed lineup of experts to explore the profound intersection of medicine, creativity, and healing.
Saddle Up & Shop 2025
Aspen Snow Ball Week embraced fashion and philanthropy with Saddle Up & Shop, a community shopping experience hosted by Children’s Oncology Support Fund with the generous support of community member Helen Montgomery.
Giving Tuesday Dinner 2024
COSF Hosts Inaugural Giving Tuesday Dinner in New York City, Kicking Off Aspen Snow Ball And The Holidays. The evening also announced Maison Spoiled’s collaboration with COSF, a limited edition silver bracelet launching next month.
Wild Wild West BBQ 2024
COSF kicked off Aspen Snow Ball Week 2025 in true style with the Wild Wild West Summer Barbecue! This memorable event brought together local residents, dedicated committee members, generous donors, and top advocates, uniting everyone with a shared purpose.
COSF x RH Cannes FF Event 2024
Restoration Hardware brought the COSF community together during the 77th annual Cannes Film Festival. The event was hosted on the beautiful 130-foot RH THREE Expedition Yacht, a first-of-its-kind custom designed expedition yacht and luxurious nautical evocation of the RH Design Ethos.
Aspen Snow Ball 2024
Aspen Snow Ball brings together luminaries from across the US and abroad for the fight against pediatric cancer. The multi-day annual event boasts celebrity performances and celebrates honorees making humanitarian and philanthropic contributions in support of cancer research.
Lugano’s 2024 Aspen Snow Ball Welcome Party
Our Jewelry Sponsor Lugano Diamonds sponsored the 2024 Aspen Snow Ball Official Welcome Party at Aspenx Mountain Club a top Ajax Mountain.
Balmain’s Night Before Benefactor Dinner 2024
Our 2024 Presenting Sponsor Balmain, Celebrity Stylist Rachel Zoe, Thomas Pierce and the rest of the Aspen Snow Ball Committee hosted the 2nd annual Night Before Benefactor Dinner at Aspen Snow Lodge.
The Webers Aspen Snow Ball Closing Party 2024
To close out the now dubbed “Aspen Snow Ball Week'' founding Board Members Scott & Carly Weber hosted the Sunday “Mad Hatter Aprés Tea Party”.
Aspen Snow Ball 2023
The inaugural Aspen Snow Ball presented by Chopard, Farfetch, and Weber Boxer Group brings together luminaries from across the US and abroad for the fight against pediatric cancer.
Chopard’s Aspen Snow Ball Kick-Off Event 2023
Chopard hosted the Aspen Snow Ball Kick-Off Party at private members club Aspenx a top of Ajax mountain.
FARFETCH Aspen Snow Ball VIP Night Before Dinner 2023
Luxury retailer Farfetch and Casa Del Sol hosted The Night Before Benefactor Dinner reserved for top donors.
Los Angles Zodiac Ball 2023
The Inaugural Los Angeles Zodiac Ball Presented by Balmain took place on September 28th at the Houdini Estate in the Hollywood Hills.
Balmain Hosts Official Zodiac Ball Kick-Off 2023
COSF hosted a kick-off event to celebrate COSF’s Partnership with Balmain #BALMAIN4COSF.
Zodiac Ball VIP Night Before Benefactor Dinner 2023
Top Benefactors who committed to $10,000+ were invited to a VIP Night Before Benefactor Dinner at Boa Steakhouse in Beverly HIlls.
Committee Kick-Off Aspen 2022
COSF hosted Aspen Snow Ball Committee Kick-Off Fundraiser in Aspen at a private ranch.