Compassion in action for pediatric oncology families across California. Support a family
Supporting pediatric oncology families

No family should face childhood cancer alone.

We surround families with practical help, heartfelt care, and a community that shows up when it matters most.

Foundation supporters gathered at a community fundraiserBuilt with loveSince 2014
Calvin smiling in orange sunglasses

Calvin's idea“Give toys to the kids. It will help make them happier.”

NecessitiesEveryday essentials
GroceriesFood and family support
JoyToys, gifts and care packages
ConnectionHospital referral support
Our purpose

Small acts of care can make an enormous difference.

The Calvin Preston Foundation helps children with cancer and their families navigate difficult seasons with dignity, comfort, and hope.

Discover our story
Mary beside a portrait of Calvin at a foundation event
Founded from love

A seven-year-old's wish became a movement.

Meet Calvin
“
We uplift families of children with cancer by providing vital physical, emotional, and financial support when they need it most.

Our mission

How we help

Care that meets families where they are.

Practical support, delivered with warmth and without unnecessary complexity.

Everyday essentials

Necessities, groceries, and family assistance that ease immediate pressure.

Comfort and joy

Toys, holiday gifts, and thoughtful care packages for children in treatment.

Connected support

Hospital referral support that helps California families access timely assistance.

Give your time

Pack a care box. Support an event. Help a family feel seen.

Volunteer with us
Community in action

Events that bring hope to life.

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Foundation supporters at a fundraiserFundraiser

Dates to be announced

Community Fundraiser

Gather, give, and help fund direct support for oncology families.

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Volunteers packing boxes of groceriesVolunteer

Seasonal programme

Family Care Package Day

Help assemble essentials and encouragement for referred families.

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Community members supporting the foundationHoliday

Annual programme

Holiday Toy Drive

Bring joy to children in treatment through gifts selected with care.

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