William's Warriors DIPG Fund

William’s laugh, sense of humor, and caring nature could light up the darkest of rooms. He brings laughter to his friends, makes his family feel deeply loved, and never stops looking out for his sisters. There is no better big brother. There isn’t a sport he doesn’t enjoy, or excel at, and his room is filled to the brim with memorabilia from his most favorite teams – the Broncos, Chiefs, Avs, Nuggets, and Rapids. And if it was possible – he’d lace up his skates next to Charlie Conway, Adam Banks, and the rest of the Mighty Ducks. He’s the kid that everyone wants to know, the first call for play dates, and is empathetic beyond his years. He’s a hummus expert, pizza fiend, and always has room for some Nutella. But above all else – he is the bravest, most inspirational 7-year-old we know.

On November 25, 2025 – William was diagnosed with DIPG, an extremely rare, highly aggressive, inoperable brain tumor that develops in the pons region of the brainstem. This vial cancer strikes children at the heart of their childhood, robbing them of the many core memories they should have the right to experience.

Since his diagnosis, William has gone through 42 radiation treatments, a round of chemotherapy, and intermittently began a cell therapy clinical trial by the name of CAR-T. His care has included countless doctors’ visits, two months at Stanford Hospital, consistent physical therapy, and daily home medication. Through it all – William approaches each appointment, each session, and each day with a positive attitude that can only be described as extraordinary. He continues to inspire so many of us.

Though this disease can take many things, it cannot take away the remarkable qualities that define William, the strength he brings to those around him, or the incredible hope that continues to power our community.

Thank you for your support of Tough2gether in honor of William Claus. Donations made to Tough2gether Foundation are tax-deductible to the extent allowed by law. While funds raised in connection with this family will directly support them, all donations are made to Tough2gether Foundation and may also be used to support other families facing pediatric cancer, related programs, and charitable initiatives at the Foundation’s discretion.