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Tiburon couple turns their grief into hope with yellow bows for bone-cancer research

Tiburon couple sells yellow bows for osteosarcoma research in honor of late daughter Sydney, who died of bone cancer at 15.

FRANCISCO MARTINEZ / THE ARKSarah (left) and Greg Kaplan, seen at their Tiburon home Aug. 27, are fundraising for osteosarcoma research and to support families and patients. Their daughter, Sydney, died of the rare bone cancer in 2020 at age 15.
Francisco Martinez
By FRANCISCO MARTINEZ · 1 min read

A Tiburon couple is selling yellow bows to raise money for osteosarcoma research in honor of their late teenage daughter, who died of the rare bone cancer five years ago.

Greg and Sarah Kaplan will sell the bows throughout September to mark Childhood Cancer Awareness Month, with proceeds going toward MIB Agents, a nonprofit focused on improving pediatric osteosarcoma research, education and medical care. The Kaplans’ only child, Sydney, died of the cancer in 2020 at age 15 after being diagnosed two years earlier.

The $25 bows can be mailed out, but for those who live locally, the Kaplans can assemble, deliver and install the bow on a donor’s property. Several of the homes near the Kaplans sport bows from past years’ fundraising efforts; Sarah Kaplan says she and her husband raised $2,300 for osteosarcoma research in 2024 and $3,000 in 2023; the couple has fundraised for osteosarcoma-related support and research efforts every September since Sydney’s death.

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A version of this story appeared in the Sept. 3, 2025, print edition of The Ark. See something wrong? Request a correction.
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