About

Rooted in family. Built for more.

The Foundation’s purpose extends far beyond one family, one team, or one program.

05 / About SIYA

Rooted in family.
Built for more.

Stephen ZimmerCo-Founder and Director

Shifali ZimmerCo-Founder and Director

SIYA grew from years around youth sports and seeing how a timely opportunity can change what a young person believes is possible.

The name has a personal connection to the Zimmer family. The Foundation's purpose extends far beyond one family, one team, or one program.

Our Roots

Girls first.
Opportunity centered.

SIYA is rooted in girls’ basketball and youth sports. Girls and young women are our primary public-facing focus, sport is our main development vehicle, and basketball is our strongest programmatic root. We retain the flexibility to support other mission-aligned youth and developmental opportunities.

Our core values

  • Self-Trust
  • Courage
  • Action
  • Resilience

Remove Barriers. Create Access. Build Self-Trust. Expand Opportunity.

Explore our mission ↗
08 / Foundation Status

Operating now.
IRS recognized.

  1. 01

    Arizona nonprofit formedSIYA Foundation, Inc. formed August 25, 2026

  2. 02

    Federal EIN obtainedEIN: 42-4760513

  3. 03

    IRS recognition501(c)(3) public charity. Tax-exempt status effective August 25, 2026.

  4. 04

    Governance activeBylaws and initial organizational actions effective September 4, 2026

SIYA Foundation, Inc.

EIN: 42-4760513

Official website: siya.foundation

Tucson, Arizona

Recognized by the IRS as a 501(c)(3) public charity under Section 170(b)(1)(A)(vi), effective August 25, 2026.

SIYA Foundation, Inc. is recognized by the Internal Revenue Service as a tax-exempt organization under Section 501(c)(3) of the Internal Revenue Code and is classified as a public charity under Section 170(b)(1)(A)(vi), effective August 25, 2026. Contributions are tax-deductible to the extent permitted by law.