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US nonprofit · EIN 853428040 · San Francisco, CAiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 853428040) - NTEE activity code, address.Board and officers IRS Form 990 annual filings, Part VII (directors, trustees, officers, key employees), read year by year to observe time served.Latest return IRS Form 990 series e-file data - 990 for the year to 31 December 2024: assets, liabilities, staff, website, telephone, pay, related organisations (Schedule R).Renewal outlook Computed by Governance Register from the observed filing history and filed revenue. Not a statement that the organisation is recruiting.Principal officer IRS Form 990-N (e-Postcard) - principal officer named for tax year 2022.Deductibility IRS Publication 78 data (code PC), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data

Trust & Safety Foundation

Donations deductible
Revenue
$55k
year to 31 December 2024
Expenses
$288k
year to 31 December 2024
Total assets
$2.1m
$244k liabilities
Net assets
$1.9m
assets less liabilities
Directors and trustees
6
3.4 years on average
Staff
0
employees, year to 31 December 2024
Left since last filing
0
no seats appear to have opened
Voting members
3
reported in Part VI
How am I connected?

Trust & Safety Foundation's network

6 people2 organisationsi6 people and 2 organisations on this map.The large node is the subject of this page. Solid lines are what the register itself records (6). Violet dotted lines (2) are likely: the same full name sits on the current board of another organisation in the same register and region. Form 990 filings give names without a person identifier; SEC insider filings carry a CIK. It may be a different person.

The board

6 listediTime on the board is observed from the annual filings: the IRS files no appointment date, so the bar counts years from the first filing the person appears on - a lower bound, not a filed start date. Names are exactly as filed. The IRS publishes no person identifier, so this edition does not yet link a person across organisations in the tables. The network map shows same-name matches as likely links only, never as confirmed.Time served and departures are observed across annual filings. Observed time served is a lower bound - a member may have joined before the first year on record. The organisation reported 3 voting members of its governing body on its latest Form 990 Part VI; we list 6 in Part VII (Part VII does not always name every voting member).
NameRole as filedSinceOn the board
Clara Tsao ChairBoard Chair2023
3 yrs
Adelin CAIDirector2023
3 yrs
Alexander MacgillivrayDirector2023
3 yrs
Charlotte WillnerPresident2023
3 yrs
Eric GoldmanDirector2023
3 yrs
TIM LordanSecretary and Treasurer2023
3 yrs
Under 5 years5 to 6 years6 years or more

Pay and hours

year to 31 December 2024iFrom Part VII of the Form 990: compensation reported for each officer, director, trustee, key employee and highest-paid staff member, and the average hours a week they report. Most board members are unpaid; a blank means nothing was reported. Pay from related organisations is shown separately.
NameTitle as filedHours a weekPay from the organisationRelated organisationsOther
Charlotte WillnerExecutive Director1$0$223k$26k
Clara TsaoBoard Chair1$0
Adelin CaiDirector1$0
Tim LordanSecretary1$0
Eric GoldmanTreasurer1$0
Alexander MacgillivrayDirector1$0

About

Legal name
Trust & Safety Foundation
EIN
853428040
Address
2021 Fillmore Street 1125 Ste 608, San Francisco, CA, 94115-2708
State
California
Mission
The trust and safety foundation works to improve societys understanding of the trsut and safety field through educational and research programs and interdisciplinary dialogue (as filed on the Form 990)
Activity (NTEE)
U19 Science and technology research
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Science & Technology
Size band
6 (IRS master file code)
Formed
2022
Principal officer
Charlotte Willner (as named on the Form 990)
IRS ruling date
1 December 2022
Status
Code 01 (unconditional exemption)
Form 990 filings on record
1, latest 2023
IRS Publication 78
PC (contributions deductible)

Most connected

Longest observed on the filings

≥3years on the filingsClara Tsao
≥3years on the filingsAdelin CAI
≥3years on the filingsAlexander Macgillivray
≥3years on the filingsCharlotte Willner

Latest return

year to 31 December 2024iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 31 December 2024. US dollars, as filed.
Total assets
$2.1m
Total liabilities
$244k
Net assets or fund balances
$1.9m
Contributions and grants received
$55k
Program service revenue
$0
Employees
0