SUBJECT-1015.dossier · institution · status: active
OP
subject of file

Open Philanthropy

Moskovitz/Tuna grantmaking; EA-aligned; $300M+/year
Tracked because Moskovitz/Tuna grantmaking; EA-aligned; $300M+/year · 11 documented connections
Editorial summary · AI-drafted from public records

Grantmaking organization co-founded by Dustin Moskovitz and Cari Tuna. Originally a joint project with GiveWell. Annual giving exceeds $300M. Focus areas: global health, AI safety, criminal justice reform, farm animal welfare. Largest funder of effective altruism (EA) movement. Also major funder of AI safety research — direct intersection with Thiel/Palantir AI governance interests.

Facts on record2
Connections mapped11
Sources cited6
✦ Thin coverage gap +38 connected to 11 entities · only 2 facts on record · flagged for follow-up research
Evidence: 1P 1S
Network web → Timeline → Compare with… → Position Drift → Coverage tone → View on Graph → Export CSV JSON Dossier ← Entity Directory
Stated vs Revealed
No documented contradictions on file.
PATTERN person → [employment] → institution 47× PATTERN institution → [employment] → person 47× PATTERN institution → [founder] → person 20× PATTERN person → [founder] → institution 20× PATTERN institution → [affiliation] → institution 14×
Connection Map
Key Connections
← Holden Karnofsky person
employment
Holden Karnofsky stepped down from the CEO role at Open Philanthropy.
← Dustin Moskovitz person
founder
Moskovitz co-founded Open Philanthropy with Cari Tuna. $300M+/year.
← Cari Tuna person
founder
Cari Tuna co-founded Open Philanthropy and is president of Good Ventures.
Facts (2)
Data Freshness
Ageing Last update: 159d ago · Avg age: 382d
Confidence Tiers: Primary Source — cross-referenced government/corporate filings Pending Review — sourced but not independently verified AI Inference — analytical hypothesis from cross-referencing
✓ Verified Findings (1)
Independently re-checked: a second model read the source artifact and confirmed it supports the extracted claim.
✓ verified Primary Source Open Philanthropy gave more than $15 million to RAND Corporation in 2023
Date: 2023-06-15 Added: 23 Apr 2026 ↗ SOURCE: VentureBeat and Yahoo News reporting
Raw Filing Records (1) — unsourced metadata
Pending Review Search scope note: No usaspending contracts found for "Open Philanthropy" in automated database search as of 2026-04-13. This reflects search coverage limits, not confirmed absence from public record.
Added: 13 Apr 2026 UNVERIFIED Research: Open Philanthropy — USASpending contracts (no results)
All Connections (11)
→ Good Ventures institution
affiliation inferential since 2023
Open Philanthropy and Good Ventures are both listed as entities linked through Dustin Moskovitz and Cari Tuna.
→ Daniela Amodei person
grantee_affiliation inferential since unknown
Daniela Amodei is listed near Open Philanthropy-associated entities and is a co-founder of Anthropic, which has received funding from Open Philanthropy.
→ Coefficient Giving organization
affiliated_organization inferential since unknown
Coefficient Giving appears near Open Philanthropy-associated entities in the database and is known to have overlapping staff and grantmaking strategies with Open Philanthropy.
→ Anthropic company
grantee inferential since unknown
Anthropic has received major funding from Open Philanthropy, and appears in the database near its founders Dario and Daniela Amodei.
→ Center for AI Safety organization
grantee inferential since unknown
Center for AI Safety (Dan Hendrycks) appears in the database and has received grant funding from Open Philanthropy for AI safety research.
→ Waverley Street Foundation organization
affiliated_organization inferential since unknown
Waverley Street Foundation is listed near Open Philanthropy entities and was founded by Cari Tuna and Dustin Moskovitz, the same founders of Open Philanthropy.
← Dario Amodei person
funder/supporter secondary since 2021
Open Philanthropy, co-founded by Holden Karnofsky and Cari Tuna, has been a major funder of Anthropic and Dario Amodei's AI safety work.
← Holden Karnofsky person
employment primary since 2026
Holden Karnofsky stepped down from the CEO role at Open Philanthropy.
← Dustin Moskovitz person
founder primary
Moskovitz co-founded Open Philanthropy with Cari Tuna. $300M+/year.
← Cari Tuna person
founder primary
Cari Tuna co-founded Open Philanthropy and is president of Good Ventures.
← Reid Hoffman Foundation institution
Grant Recipient / Partner secondary since 2018
The Reid Hoffman Foundation has co-funded or aligned grants with Open Philanthropy in areas such as AI safety and biosecurity.
Sources (6)
2026-05-10 UNVERIFIED SEARCH_ERROR: Open Philanthropy not found in opencorporates claim_flag Processed 📜 Receipt
2023 ↗ VentureBeat and Yahoo News reporting web_search Processed 📜 Receipt
2026 UNVERIFIED Research: Open Philanthropy — Parliamentary records (no results) parliamentary_record Processed 📜 Receipt
2026 UNVERIFIED Research: Open Philanthropy — Court records (no results) court_document Processed 📜 Receipt
2026 UNVERIFIED Research: Open Philanthropy — Lobbying disclosures (no results) government_disclosure Processed 📜 Receipt
2026 UNVERIFIED Research: Open Philanthropy — USASpending contracts (no results) contract Processed 📜 Receipt