THE THOMAS AND STACEY SIEBEL FOUNDATION
Redwood City, CA, US
•
501(c)3
•
EIN
94-3256331
•
Private Foundation
Family Foundation
Regional Funder
AI Summary
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The Thomas and Stacey Siebel Foundation is a 501(c)3 organization that focuses its grantmaking primarily in Illinois, California, and Montana, having disbursed a total of $56 million across 17 grantees in 2024. The foundation operates on a relationship-based approach and does not accept unsolicited proposals, making grants by invitation only. Nonprofits interested in engaging with the foundation can explore warm-introduction pathways through Impala's Funder Prospecting.
Cause Areas
1
Foundations
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Grantee
Total Funding
Funding Share

Massachusetts Institute of Technology
$4M
4%
THE SIEBEL SCHOLARS FOUNDATION
$2.3M
2%

EASTSIDE COLLEGE PREPARATORY SCHOOL, INC.
$1M
1%
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Total No. of Grants
22
Median 1st year grant
$100K
Median 2nd year grant
$100K
Top 3 Grants
Matched grants only
Grantee
Grant Size
Frequently Asked Questions
Can I submit an unsolicited grant proposal to THE THOMAS AND STACEY SIEBEL FOUNDATION?
No. THE THOMAS AND STACEY SIEBEL FOUNDATION does not accept unsolicited proposals. Funding is by invitation only.
Where does THE THOMAS AND STACEY SIEBEL FOUNDATION give?
THE THOMAS AND STACEY SIEBEL FOUNDATION primarily gives to organizations located in Illinois, California, and Montana. These states represent the largest share of the foundation’s grantmaking by dollars awarded. Additional geographic details are available to registered users.
What size are THE THOMAS AND STACEY SIEBEL FOUNDATION’s grants?
The largest share of grants from THE THOMAS AND STACEY SIEBEL FOUNDATION fall in the $5,000 to $25 thousand range. The median first-year grant is about $100 thousand. More detailed grant size data is available to registered users.
How many grants does THE THOMAS AND STACEY SIEBEL FOUNDATION make each year?
In 2024, THE THOMAS AND STACEY SIEBEL FOUNDATION awarded about 20 grants, totaling nearly $56 million. More detailed grant metrics are available to registered users.
Who did THE THOMAS AND STACEY SIEBEL FOUNDATION fund recently?
In 2024, THE THOMAS AND STACEY SIEBEL FOUNDATION awarded grants to about 20 grantees. Recent grantees include Massachusetts Institute of Technology, THE SIEBEL SCHOLARS FOUNDATION, and EASTSIDE COLLEGE PREPARATORY SCHOOL, INC.. More detailed information on all recent recipients is available to registered users.
How do we apply to THE THOMAS AND STACEY SIEBEL FOUNDATION?
THE THOMAS AND STACEY SIEBEL FOUNDATION does not accept unsolicited proposals. Funding is by invitation only.
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