Manifold for Charity Inc
Manifold for Charity Inc is a public charity based in San Francisco, California, formed in 2022. Its stated mission is to support impactful projects through funding systems and software, with a focus on AI safety and effective altruism, and to fund projects often overlooked by institutional donors.
Manifold for Charity Inc at a glance
In short: Manifold for Charity Inc gave $1.6M across 24 grants in 2024 (avg $66K), mostly in California. Source: 2024 IRS Form 990.
- Annual giving (2024)
- $1,577,660
- -16.4% vs 2023
- Grants made (2024)
- 24
- +380.0% vs 2023
- Average grant
- $65,736
- -82.6% vs 2023
- Median grant
- $40,544
- Total assets
- $1,838,606
- +83.1% vs 2023
- Primary geography
- California (57% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990, 2024 View filing
Data from IRS Form 990, 2024; updated September 2026.
How to apply to Manifold for Charity Inc
- Contact
Mailing address: 425 Divisadero St Ste 300, San Francisco, CA 94117
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Manifold for Charity Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was MATS Research Inc ($280K). Together the top 10 received $1.3M.
Grant Size Distribution
30 grants across all recorded years
The most common grant size was under $50K: 14 grants of 30 (47%).
Geographic Focus
Where this funder awards grants
The 2024 grant dollars went to recipients in multiple states. The largest shares were reported for California (57%), the District of Columbia (14%), Delaware (10%), Maryland (7%), and New York (6%).
Grant Distribution by State
Share of 2024 grant dollars across all 24 itemized grants.
Cities
How Manifold for Charity Inc gives
- 16% of 2024 grantees were also funded in 2023. Method
Estimate from itemized grant lists in IRS Form 990 filings (2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2022 to 2024, annual grant giving ranged from $9K (2022) to $1.9M (2023). In 2024 it made 24 grants totaling $1.6M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| MATS Research Inc Berkeley, CA | MATS Program | $279,583 |
| Center for AI Safety Inc San Francisco, CA | Removing Hazardous Knowledge from AIs | $190,000 |
| Effective Ventures Foundation USA I San Francisco, CA | Long Term Future Fund | $106,000 |
| Innovate Animal Ag Sacramento, CA | Build a new nonprofit thinktank that advances technological solutions to animal welfare challenges | $100,000 |
| Center for Land Economics Inc Washington, DC | Promote Georgism | $100,000 |
| Players Philanthropy Fund Towson, MD | Regrant to charities working on developing country nutrition | $100,000 |
| 1Day Sooner Inc Brooklyn, NY | Advocate for a specialized pandemic response team | $100,000 |
| The Center for Innovative Governanc Washington, DC | African School of Economics in Zanzibar chartered Good Land Governance | $100,000 |
| PauseAI US San Francisco, CA | PauseAI US 2025 through Q2 | $100,000 |
| Ashgro Inc Wilmington, DE | Apart incubates and facilitates hundreds of AI safety researchers around the globe | $58,900 |
Ready to take the next step with Manifold for Charity Inc?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2024 | $1,838,606 | $4,221,154 | $3,409,668 | $1,577,660 | 24 | $114,419 |
| 2023 | $1,004,000 | $3,035,055 | $2,628,204 | $1,887,670 | 5 | $9,000 |
| 2022 | $462,761 | $500,000 | $37,239 | $8,880 | 1 | — |
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
Manifold for Charity states that its mission is to advance critical cause areas by funding projects often overlooked by institutional donors. Its filing describes work related to AI safety and governance, effective giving, and grantmaking through regrantors and public proposals.
Its 2024 grants included support for organizations whose own stated missions concern AI safety research and standards (Center for AI Safety), reducing risks from frontier AI development (PauseAI US), AI alignment research and education (Ashgro), and technologies to improve animal health and welfare (Innovate Animal Ag). Other 2024 recipients included Rethink Priorities, whose mission is to help organizations and researchers pursue charitable impact in the present and long-term future, and ALLFED Institute, whose mission is to build resilience to global catastrophic food-system failure.
Grantmaking
In filing year 2024, Manifold for Charity reported 24 grants totaling $1,577,660. Grant amounts ranged from $5,110 to $279,583, with a median of $40,544.
Among the largest reported grants were $279,583 to MATS Research Inc for its MATS Program; $190,000 to Center for AI Safety Inc; $106,000 to Effective Ventures Foundation USA I for the Long Term Future Fund; and $100,000 each to Innovate Animal Ag, Center for Land Economics, Players Philanthropy Fund, 1Day Sooner, The Center for Innovative Governance, and PauseAI US. Other listed grants included $58,900 and $57,367 to Ashgro and $49,087 to Lightcone Infrastructure.
The filing describes a delegated grantmaking model in which a charitable donor assigns a budget to regrantors, who make decisions based on the donor’s objectives and their own expertise. It also describes a public proposal platform. For foreign grantees, the organization says it requests a project proposal describing planned spending, reviews it for consistency with its charitable mission, and requests regular updates. Its filing also says it asks grantees for comprehensive proposals and updates every six months until projects are complete.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Austin Chen as CEO and Vishal Maini and Ross RheingansYoo as directors.
Manifold for Charity Inc is led by Austin Chen, CEO since 2024 (on filings since 2022); none of the 3 officers listed in 2024 report compensation.
Officers on the 2024 filing
Austin Chen
CEO
Officer → CEO, 2024
On filings since 2022
40 hrs/week
No compensation reported
Vishal Maini
Director
Officer → Director, 2023
On filings since 2022
1 hr/week
No compensation reported
Ross RheingansYoo
Director
New on the 2024 filing
1 hr/week
No compensation reported
Former officers (1)
- Former: Barak Gila (2022–2023) — Director
Data from IRS Form 990 filings, 2022–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Manifold for Charity Inc
How much does Manifold for Charity Inc give each year?
Manifold for Charity Inc gave $1.6M across 24 grants in 2024, according to its 2024 IRS Form 990. In 2023 it gave $1.9M across 5 grants.
What is Manifold for Charity Inc's typical grant size?
Manifold for Charity Inc's median grant in 2024 was $40,544, and its average grant was $65,736, across 24 grants on its 2024 IRS Form 990.
Where does Manifold for Charity Inc give grants?
Manifold for Charity Inc gives mostly in California: 57% of the grant dollars itemized on its 2024 IRS Form 990 went to recipients there. The next largest states were District of Columbia (14%) and Delaware (10%). The most frequent recipient cities were San Francisco, CA (5 grants), Wilmington, DE (4 grants), Washington, DC (3 grants) and Berkeley, CA (2 grants).
Does Manifold for Charity Inc give general operating support?
Not in 2024: none of the 24 grants with a stated purpose on Manifold for Charity Inc's 2024 IRS Form 990 were described as general or operating support.
Who are Manifold for Charity Inc's largest grantees?
Manifold for Charity Inc's largest 2024 grantees include MATS Research Inc ($279,583), Center for AI Safety Inc ($190,000) and Ashgro Inc ($129,187 across 4 grants), according to its 2024 IRS Form 990. Together they received 38% of its itemized 2024 grant dollars.
How large is Manifold for Charity Inc?
Manifold for Charity Inc reported $1.8M in total assets on its 2024 IRS Form 990. Its revenue that year was $4.2M.
What does Manifold for Charity Inc fund?
Manifold for Charity states that its mission is to advance critical cause areas by funding projects often overlooked by institutional donors. Its filing describes work related to AI safety and governance, effective giving, and grantmaking through regrantors and public proposals. See mission & focus areas ↑
How do I apply for a grant from Manifold for Charity Inc?
Manifold for Charity Inc has no public application process in the sources Grantable reviewed. Contact the foundation directly before submitting a request.
What is Manifold for Charity Inc's EIN?
Manifold for Charity Inc's EIN (Employer Identification Number) is 88-3668801. IRS Form 990 filing data is available on this page for 2022–2024.
Data last updated September 2026. Sourced from IRS Form 990 filings. Research dossier generated September 2026.
Data update history
(4)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2022 (received by the IRS May 16, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS October 16, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS November 15, 2025)
- IRS filings on file for fiscal years 2022–2024
Explore Open Grants
Browse active grant opportunities in Manifold for Charity Inc's focus areas in our free grants database
Similar Funders
Funders that support many of the same organizations
Silicon Valley Community Foundation
Mountain View, CA
Silicon Valley Community Foundation funds work in areas such as housing, economic security, education, health, the environment, arts and culture, and civic engagement, with Community Action Grants supporting local, community-led organizations in San Mateo and Santa Clara counties. Its 2024 grants had a median of $51,716, though amounts varied widely; applications depend on the program, and SVCF states that it does not accept unsolicited proposals for advised funds.
Assets
$12.3B
Grants
3,576
Total Given
$3.2B
Founders Pledge Inc
New York, NY
Founders Pledge supports research-backed charitable work, including global health and development, education, climate, and global-risk initiatives; its current funding invitation focuses on education and job, entrepreneurship, or agriculture training in low- and middle-income countries. In 2024, grants ranged from $5,250 to $8.925 million, with a median of $77,500. It accepts unsolicited expressions of interest for eligible education and training programs that meet its budget, reach, and impact-evidence criteria.
Assets
$117.6M
Grants
102
Total Given
$26.3M
Good Ventures Foundation
Palo Alto, CA
Good Ventures supports global health and development in low- and middle-income countries, reducing animal suffering, and economic growth and opportunity primarily in the United States, as well as ambitious potential innovations. Its 2025 grants ranged from $398 to $10.5 million, with a median of about $154,000. It gives only to preselected charitable organizations and does not accept unsolicited funding requests.
Assets
$10.1B
Grants
565
Total Given
$306.7M
Effective Ventures Foundation USA Inc
San Francisco, CA
Effective Ventures Foundation USA funds charitable, educational, and scientific projects advancing effective altruism, including work on extreme poverty, animal wellbeing, global priorities, and the long-term future. In 2025, its 48 grants ranged from $5,212 to $2.66 million, with a median of about $92,000; grants went to recipients in multiple U.S. states, and the foundation also reports making foreign grants. The profile does not state whether it accepts unsolicited requests.
Assets
$23.2M
Grants
48
Total Given
$9.1M
Every Org
San Francisco, CA
Every.org funds preselected charitable organizations across a wide range of missions, with 2024 grants going to recipients in multiple states; the largest shares went to New York and California. Its 2024 grants ranged from $25,000 to $7.8 million, with a median of about $61,600. It does not accept unsolicited funding requests.
Assets
$9.7M
Grants
210
Total Given
$44.9M
Open Philanthropy Action Fund
Palo Alto, CA
Open Philanthropy Action Fund supports research, education, advocacy, and grantmaking to advance public policy and social welfare, with recent grants spanning areas such as criminal justice, technology governance, public health, agriculture, and clean energy. In 2024, grants ranged from $9,338 to $6.4 million, with a median of $106,800; most funding went to organizations in New York, Washington, DC, and California. The profile does not state whether it accepts unsolicited requests.
Assets
$41.2M
Grants
29
Total Given
$16.8M
More similar funders
More Funders in California
Cite this profile
Grantable. (2026). Manifold for Charity Inc funder profile. GrantGraph. Retrieved October 5, 2026, from https://grantable.co/funders/manifold-for-charity-inc-morg_c520d58c75654aeab1097a07d4878308
BibTeX
@misc{grantable_883668801_2026,
author = {{Grantable}},
title = {{Manifold for Charity Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/manifold-for-charity-inc-morg_c520d58c75654aeab1097a07d4878308},
note = {Accessed 2026-10-05. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Manifold for Charity Inc's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
Manifold for Charity Inc down — hundreds of funders to go?