The Thomas And Stacey Siebel | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like The Thomas And Stacey Siebel. Data shown is extracted from Form 990-PF filings.

EIN: 94-3256331

Foundation Overview

Based in Redwood City, CA, The Thomas And Stacey Siebel has awarded 151 grants totaling $102,865,797 to organizations in Massachusetts, New York and 8 other states across the US. Individual grants range from $1,000 to $50,000,000, with a median award of $100,000.

Latest Tax Year
2024
Total Giving (all years)
$102,865,797
Total Assets
$69,890,219
Median Grant (all grants)
$100,000

Latest Form 990-PF Snapshot

Total Grants
22
Median Grant
$116,000
% Median Grant Growth
+16% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: February 2026

Foundation Intelligence

Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies

New Applicant Friendliness
Closed Network: 14%

3 of 22 recipients (14%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.

Geographic Focus
California

45% of grants are awarded in California, with additional funding distributed across 9 other locations. The foundation balances regional focus with broader geographic diversity. Within California, funding concentrates in Redwood City (18%), San Francisco (16%), Stanford (13%).

Funding Trajectory
+830%

Strong 830% growth in annual giving over 4 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.

Program Areas
Community Projects + 2 others

Diversified giving across multiple program areas with primary emphasis on community projects (88%). This broad approach suggests openness to various causes and innovative cross-sector solutions.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into The Thomas And Stacey Siebel's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.

Name Amount Location Purpose Year
University Of Illinois Fdn $50,000,000 Chicago, IL, US To Support General Operations 2024
Children's Health Council $10,000 Palo Alto, CA, US To Support General Operations 2024
Aopa Foundation $132,000 Frederick, MD, US To Support General Operations 2024
Iac Chapter 38 $1,000 Oshkosh, WI, US To Support General Operations 2024
American Academy Of Arts & Sciences $100,000 Cambridge, MA, US To Support General Operations 2024
Augusta Volunteer Ambulance Services $15,000 Augusta, MT, US To Assist In Providing Emergency Services 2024
Augusta Volunteer Fire Department $25,000 Augusta, MT, US To Assist In Providing Emergency Services 2024
Bob Hoover Academy $320,000 Salinas, CA, US To Support General Operations 2024
Cteta Ltd The Horse Park At Woodside $10,000 Redwood City, CA, US To Support General Operations 2024
Hoover Institution $200,000 Stanford, CA, US To Support General Operations 2024
Montana Game Warden's Association $15,000 Wolf Creek, MT, US To Support General Operations 2024
Recreational Aviation Foundation $10,000 Bozeman, MT, US To Support General Operations 2024
Salvation Army - Billings Mt $250,000 Billings, MT, US To Provide Food And Shelter To Homeless Families And Individuals In The Billings Area 2024
Salvation Army - Great Falls Mt $500,000 Great Falls, MT, US To Provide Food And Shelter To Homeless Families And Individuals In The Great Falls Area 2024
Salvation Army - Helena Mt $1,000,000 Helena, MT, US To Provide Food And Shelter To Homeless Families And Individuals In The Helena Area 2024
Salvation Army - San Francisco $1,000,000 San Francisco, CA, US To Provide Food And Shelter To Homeless Families And Individuals In The San Francisco Area 2024
Salvation Army - San Jose $1,000,000 San Jose, CA, US To Provide Food And Shelter To Homeless Families And Individuals In The San Jose Area 2024
Salvation Army New York City $1,000,000 New York, NY, US To Provide Food And Shelter To Homeless Families And Individuals In Manhattan 2024
Siebel Scholars Foundation $315,000 Redwood City, CA, US To Support General Operations 2024
Wolf Creek School $25,000 Wolf Creek, MT, US To Support General Operations 2024
Wolf Creek Volunteer Fire Dept $25,000 Wolf Creek, MT, US To Protect The Community 2024
The Woodside Trail Club $10,000 Woodside, CA, US To Support General Operations 2024
American Academy Of Arts & Sciences $100,000 Cambridge, MA, US To Support General Operations. 2023
American Enterprise Institute For Public Policy $250,000 Washington, DC, US To Support General Operations. 2023
Augusta Volunteer Ambulance Services $15,000 Augusta, MT, US To Assist In Providing Emergency Services. 2023
Augusta Volunteer Fire Department $25,000 Augusta, MT, US To Assist In Providing Emergency Services. 2023
Cteta Ltd The Horse Park At Woodside $10,000 Redwood City, CA, US To Support General Operations. 2023
Eastside College Preparatory School $250,000 East Palo Alto, CA, US To Support General Operations. 2023
Hoover Institution $100,000 Stanford, CA, US To Support General Operations. 2023
Montana Game Warden's Association $15,000 Wolf Creek, MT, US To Support General Operations. 2023
Salvation Army - Billings Mt $250,000 Billings, MT, US To Support General Operations. 2023
Salvation Army - Great Falls Mt $500,000 Great Falls, MT, US To Provide Food And Shelter To Homeless Families And Individuals In The Great Falls Area. 2023
Salvation Army - Helena Mt $1,000,000 Helena, MT, US To Provide Food And Shelter To Homeless Families And Individuals In The Helena Area. 2023
Salvation Army - San Francisco $1,000,000 San Francisco, CA, US To Provide Food And Shelter To Homeless Families And Individuals In The San Francisco Area. 2023
Salvation Army - San Jose $1,000,000 San Jose, CA, US To Provide Food And Shelter To Homeless Families And Individuals In The San Jose Area. 2023
Salvation Army New York City $1,000,000 New York, NY, US To Provide Food And Shelter To Homeless Families And Individuals In Manhattan. 2023
Siebel Scholars Foundation $350,000 Redwood City, CA, US To Support General Operations. 2023
Tahoe Fund $10,000 Tahoe City, CA, US To Support General Operations. 2023
Wikipedia $5,000 San Francisco, CA, US To Support General Operations. 2023
Wolf Creek School $25,000 Wolf Creek, MT, US To Support General Operations. 2023
Wolf Creek Volunteer Fire Dept $25,000 Wolf Creek, MT, US To Protect The Community. 2023
The Woodside Trail Club $10,000 Woodside, CA, US To Support General Operations. 2023
Bob Hoover Academy $204,343 Salinas, CA, US To Support General Operations 2023
Recreational Aviation Foundation $50,000 Bozeman, MT, US To Support General Operations 2023
Augusta School District $50,000 Augusta, MT, US To Support General Operations 2023
American Academy Of Arts & Sciences $100,000 Cambridge, MA, US To Support General Operations. 2022
American Agora Foundation $50,000 New York, NY, US To Support The History Journal Lapham's Quarterly. 2022
American Enterprise Institute For Public Policy $250,000 Washington, DC, US To Support General Operations. 2022
Augusta Volunteer Ambulance Services $15,000 Augusta, MT, US To Assist In Providing Emergency Services. 2022
Augusta Volunteer Fire Department $25,000 Augusta, MT, US To Assist In Providing Emergency Services. 2022
Childrens Shelter Of Hope $20,000 Portland, OR, US To Assist Organization In Providing Food, Shelter, And Medical Supplies To Needy Children In The Puerto Vallarta Area. 2022
Cteta Ltd The Horse Park At Woodside $10,000 Redwood City, CA, US To Support General Operations. 2022
Eastside College Preparatory School $250,000 East Palo Alto, CA, US To Support General Operations. 2022
Hoover Institution $250,000 Stanford, CA, US To Support General Operations. 2022
Montana Game Warden's Association $15,000 Wolf Creek, MT, US To Support General Operations. 2022
Montana Meth Project $100,000 Missoula, MT, US To Support General Operations. 2022
Salvation Army - Billings Mt $250,000 Billings, MT, US To Support General Operations. 2022
Salvation Army - Great Falls Mt $500,000 Great Falls, MT, US To Provide Food And Shelter To Homeless Families And Individuals In The Great Falls Area. 2022
Salvation Army - Helena Mt $1,000,000 Helena, MT, US To Provide Food And Shelter To Homeless Families And Individuals In The Helena Area. 2022
Salvation Army - San Francisco $1,000,000 San Francisco, CA, US To Provide Food And Shelter To Homeless Families And Individuals In The San Francisco Area. 2022
Salvation Army - San Jose $1,000,000 San Jose, CA, US To Provide Food And Shelter To Homeless Families And Individuals In The San Jose Area. 2022
Salvation Army New York City $1,000,000 New York, NY, US To Provide Food And Shelter To Homeless Families And Individuals In Manhattan. 2022
Siebel Scholars Foundation $505,000 Redwood City, CA, US To Support General Operations. 2022
Stanford University - Development Services $20,000 Stanford, CA, US To Fund Professor Endowment. 2022
Tahoe Fund $10,000 Tahoe City, CA, US To Support General Operations. 2022
Wikipedia $5,000 San Francisco, CA, US To Support General Operations. 2022
Wolf Creek School $25,000 Greenville, CA, US To Support General Operations. 2022
Wolf Creek Volunteer Fire Dept $25,000 Rd Floor Redwood City, CA, US To Protect The Community. 2022
The Woodside Trail Club $10,000 Woodside, CA, US To Support General Operations. 2022
Aopa Foundation $100,000 Frederick, MD, US To Support General Operations 2022
Bob Hoover Academy $151,325 Salinas, CA, US To Support General Operations 2022
Recreational Aviation Foundation $50,000 Bozeman, MT, US To Support General Operations 2022
Us Sailing Foundation $301,652 Bristol, RI, US To Support The Deepening And Expansion Of The Siebel Sailors Program At The Us Sailing Foundation. 2022
American Academy Of Arts & Sciences $100,000 Cambridge, MA, US To Support General Operations. 2022
American Agora Foundation $50,000 New York, NY, US To Support The History Journal Lapham's Quarterly. 2022
American Enterprise Institute For Public Policy $250,000 Washington, DC, US To Support General Operations. 2022
Augusta Volunteer Ambulance Services $15,000 Augusta, MT, US To Assist In Providing Emergency Services. 2022
Augusta Volunteer Fire Department $25,000 Augusta, MT, US To Assist In Providing Emergency Services. 2022
Childrens Shelter Of Hope $20,000 Portland, OR, US To Assist Organization In Providing Food, Shelter, And Medical Supplies To Needy Children In The Puerto Vallarta Area. 2022
Cteta Ltd The Horse Park At Woodside $10,000 Redwood City, CA, US To Support General Operations. 2022
Eastside College Preparatory School $250,000 East Palo Alto, CA, US To Support General Operations. 2022
Hoover Institution $250,000 Stanford, CA, US To Support General Operations. 2022
Montana Game Warden's Association $15,000 Wolf Creek, MT, US To Support General Operations. 2022
Montana Meth Project $100,000 Missoula, MT, US To Support General Operations. 2022
Salvation Army - Billings Mt $250,000 Billings, MT, US To Support General Operations. 2022
Salvation Army - Great Falls Mt $500,000 Great Falls, MT, US To Provide Food And Shelter To Homeless Families And Individuals In The Great Falls Area. 2022
Salvation Army - Helena Mt $1,000,000 Helena, MT, US To Provide Food And Shelter To Homeless Families And Individuals In The Helena Area. 2022
Salvation Army - San Francisco $1,000,000 San Francisco, CA, US To Provide Food And Shelter To Homeless Families And Individuals In The San Francisco Area. 2022
Salvation Army - San Jose $1,000,000 San Jose, CA, US To Provide Food And Shelter To Homeless Families And Individuals In The San Jose Area. 2022
Salvation Army New York City $1,000,000 New York, NY, US To Provide Food And Shelter To Homeless Families And Individuals In Manhattan. 2022
Siebel Scholars Foundation $505,000 Redwood City, CA, US To Support General Operations. 2022
Stanford University - Development Services $20,000 Stanford, CA, US To Fund Professor Endowment. 2022
Tahoe Fund $10,000 Tahoe City, CA, US To Support General Operations. 2022
Wikipedia $5,000 San Francisco, CA, US To Support General Operations. 2022
Wolf Creek School $25,000 Greenville, CA, US To Support General Operations. 2022
Wolf Creek Volunteer Fire Dept $25,000 Rd Floor Redwood City, CA, US To Protect The Community. 2022
The Woodside Trail Club $10,000 Woodside, CA, US To Support General Operations. 2022
Aopa Foundation $100,000 Frederick, MD, US To Support General Operations 2022
Bob Hoover Academy $151,325 Salinas, CA, US To Support General Operations 2022
Recreational Aviation Foundation $50,000 Bozeman, MT, US To Support General Operations 2022
Us Sailing Foundation $301,652 Bristol, RI, US To Support The Deepening And Expansion Of The Siebel Sailors Program At The Us Sailing Foundation. 2022
American Academy Of Arts & Sciences $100,000 Cambridge, MA, US To Support General Operations. 2021
American Agora Foundation $50,000 New York, NY, US To Support The History Journal Lapham's Quarterly. 2021
American Enterprise Institute For Public Policy $250,000 Washington, DC, US To Support General Operations. 2021
Augusta Volunteer Ambulance Services $15,000 Augusta, MT, US To Assist In Providing Emergency Services. 2021
Augusta Volunteer Fire Department $25,000 Augusta, MT, US To Assist In Providing Emergency Services. 2021
Childrens Shelter Of Hope $20,000 Portland, OR, US To Assist Organization In Providing Food, Shelter, And Medical Supplies To Needy Children In The Puerto Vallarta Area. 2021
Cteta Ltd The Horse Park At Woodside $10,000 Redwood City, CA, US To Support General Operations. 2021
Eastside College Preparatory School $250,000 East Palo Alto, CA, US To Support General Operations. 2021
Hoover Institution $250,000 Stanford, CA, US To Support General Operations. 2021
Massachusetts Institute Of Technology $4,000,000 Cambridge, MA, US To Fund Professor Endowment. 2021
Montana Game Warden's Association $15,000 Wolf Creek, MT, US To Support General Operations. 2021
Montana Meth Project $100,000 Missoula, MT, US To Support General Operations. 2021
New York Yacht Club Foundation $100,000 New York, NY, US To Support General Operations. 2021
Salvation Army - Billings Mt $250,000 Billings, MT, US To Support General Operations. 2021
Salvation Army - Great Falls Mt $500,000 Great Falls, MT, US To Provide Food And Shelter To Homeless Families And Individuals In The Great Falls Area. 2021
Salvation Army - Helena Mt $1,000,000 Helena, MT, US To Provide Food And Shelter To Homeless Families And Individuals In The Helena Area. 2021
Salvation Army - San Francisco $1,000,000 San Francisco, CA, US To Provide Food And Shelter To Homeless Families And Individuals In The San Francisco Area. 2021
Salvation Army - San Jose $1,000,000 San Jose, CA, US To Provide Food And Shelter To Homeless Families And Individuals In The San Jose Area. 2021
Salvation Army New York City $1,000,000 New York, NY, US To Provide Food And Shelter To Homeless Families And Individuals In Manhattan. 2021
Siebel Scholars Foundation $555,000 Redwood City, CA, US To Support General Operations. 2021
Stanford University - Development Services $10,000,000 Stanford, CA, US To Fund Professor Endowment. 2021
Tahoe Fund $10,000 Tahoe City, CA, US To Support General Operations. 2021
Wikipedia $5,000 San Francisco, CA, US To Support General Operations. 2021
Wolf Creek School $25,000 Greenville, CA, US To Support General Operations. 2021
Wolf Creek Volunteer Fire Dept $25,000 Rd Floor Redwood City, CA, US To Protect The Community. 2021
The Woodside Trail Club $10,000 Woodside, CA, US To Support General Operations. 2021
American Academy Of Arts & Sciences $250,000 Cambridge, MA, US To Support General Operations. 2020
American Agora Foundation $100,000 New York, NY, US To Support The History Journal Lapham's Quarterly. 2020
American Enterprise Institute For Public Policy $250,000 Washington, DC, US To Support General Operations. 2020
Augusta Volunteer Ambulance Services $15,000 Augusta, MT, US To Assist In Providing Emergency Services. 2020
Augusta Volunteer Fire Department $15,000 Augusta, MT, US To Assist In Providing Emergency Services. 2020
Childrens Shelter Of Hope $20,000 Portland, OR, US To Assist Organization In Providing Food, Shelter, And Medical Supplies To Needy Children In The Puerto Vallarta Area. 2020
Cteta Ltd The Horse Park At Woodside $10,000 Redwood City, CA, US To Support General Operations. 2020
Eastside College Preparatory School $250,000 East Palo Alto, CA, US To Support General Operations. 2020
Hoover Institution $250,000 Stanford, CA, US To Support General Operations. 2020
Montana Game Warden's Association $15,000 Wolf Creek, MT, US To Support General Operations. 2020
Montana Meth Project $100,000 Missoula, MT, US To Support General Operations. 2020
New York Yacht Club Foundation $100,000 New York, NY, US To Support General Operations. 2020
Salvation Army - Great Falls Mt $500,000 Great Falls, MT, US To Provide Food And Shelter To Homeless Families And Individuals In The Great Falls Area. 2020
Salvation Army - Helena Mt $500,000 Helena, MT, US To Provide Food And Shelter To Homeless Families And Individuals In The Helena Area. 2020
Salvation Army - San Francisco $1,000,000 San Francisco, CA, US To Provide Food And Shelter To Homeless Families And Individuals In The San Francisco Area. 2020
Salvation Army - San Jose $1,000,000 San Jose, CA, US To Provide Food And Shelter To Homeless Families And Individuals In The San Jose Area. 2020
Salvation Army New York City $1,000,000 New York, NY, US To Provide Food And Shelter To Homeless Families And Individuals In Manhattan. 2020
Siebel Scholars Foundation $525,000 Redwood City, CA, US To Support General Operations. 2020
Tahoe Fund $2,500 Tahoe City, CA, US To Support General Operations. 2020
Wikipedia $2,000 San Francisco, CA, US To Support General Operations. 2020
Wolf Creek School $21,000 Greenville, CA, US To Support General Operations. 2020
Wolf Creek Volunteer Fire Dept $15,000 Rd Floor Redwood City, CA, US To Protect The Community. 2020
Woodside Fire Protection District $67,000 Portola Valley, CA, US To Protect The Community. 2020
The Woodside Trail Club $10,000 Woodside, CA, US To Support General Operations. 2020

Foundations Similar to The Thomas And Stacey Siebel

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EIN: 95-4249502 | 49 grants awarded
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Contact Information

Official contact details for The Thomas And Stacey Siebel as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 94-3256331
Website N/A
Address PO BOX 5287 Redwood City, CA 94063-0000

Key People (2)

Board members, trustees, and key staff who oversee The Thomas And Stacey Siebel's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

President Thomas M Siebel
Secretary/cfo/treasurer Stacey Siebel

Forms 990-PF

IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.

Form 990-PF Research Tips
  • Review Part XV for detailed grant recipient information and funding purposes
  • Check Part I for total assets, annual giving amounts, and payout requirements
  • Examine Part VIII for key personnel compensation and board structure
  • Look for trends across multiple years to understand giving patterns

About This Foundation Profile

This comprehensive foundation profile for The Thomas And Stacey Siebel is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.

Data Sources & Accuracy

All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.

Research Applications

Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.

Data Currency: Last updated February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.