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The Thomas and Stacey Siebel

Grantmaking profile built from public IRS Form 990 filings.

LocationRedwood City, California
Grants on file220
Total giving on file$171.1M
Typical grant size$778K
Most recent filing year2025
Cause focusGeneral grantmaking

What they fund

  • TO ASSIST IN PROVIDING EMERGENCY SERVICES
  • TO ASSIST IN PROVIDING EMERGENCY SERVICES.
  • TO ASSIST ORGANIZATION IN PROVIDING FOOD, SHELTER, AND MEDICAL SUPPLIES TO NEEDY CHILDREN IN THE PUERTO VALLARTA AREA.
  • TO FUND PROFESSOR ENDOWMENT.
  • TO PROTECT THE COMMUNITY

Largest recipients on file

RecipientStateGrantsTotal
University of Illinois FdnIL2$100.0M
Stanford University - Development ServicesCA3$10.0M
Salvation Army - San FranciscoCA9$9.0M
Salvation Army - San JoseCA9$9.0M
Salvation Army New York CityNY9$9.0M
Salvation Army - Helena MtMT9$8.0M
Salvation Army - Great Falls MtMT9$4.5M
Massachusetts Institute of TechnologyMA1$4.0M
Siebel Scholars FoundationCA9$3.9M
Hoover InstitutionCA9$1.9M

See more foundations in California or general grantmaking funders nationwide.

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