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US nonprofit · EIN 852055042 · Boston, MAiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 852055042) - 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 - 990EZ for the year to 31 December 2022: assets, liabilities, staff, website, telephone, pay.Finances by year IRS Form 990 e-file data - total revenue and total expenses by tax year.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 2025.Exemption status IRS Automatic Revocation of Exemption List (posted to 13 October 2026).Deductibility IRS Publication 78 data (code PC), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data

Pacemaker International US Inc

Donations deductible
Revenue
$30k
year to 31 December 2022
Expenses
$967
year to 31 December 2022
Total assets
$29k
year to 31 December 2022
Net assets
$29k
assets less liabilities
Directors and trustees
3
4.4 years on average
Left since last filing
0
no seats appear to have opened
Activity
B90
Education
Filings on record
1
latest 2022
Exemption recognised again: the IRS automatically revoked this organisation’s exemption on 15 May 2023, and its IRS ruling date is now 1 January 2024 (a later recognition). Source: IRS Automatic Revocation of Exemption List, posted to 13 October 2026.
How am I connected?

Pacemaker International US Inc's network

3 peoplei3 people on this map.The large node is the subject of this page. Solid lines are what the register itself records (3). Form 990 filings give names without a person identifier; SEC insider filings carry a CIK.

The board

3 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.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.
NameRole as filedSinceOn the board
Christopher HopperTreasurer2022
4 yrs
Peggy MativoPresident2022
4 yrs
Rachel LuoClerk2022
4 yrs
Under 5 years5 to 6 years6 years or more

Pay and hours

year to 31 December 2022iFrom 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
Christopher HopperTreasurer10$0
Peggy MativoPresident10$0
Rachel LuoClerk10$0

No pay was reported for anyone in Part VII on this return.

About

Legal name
Pacemaker International US Inc
EIN
852055042
Address
15 Cataumet St, Boston, MA, 02130-2408
State
Massachusetts
Activity (NTEE)
B90 Education
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Education
Size band
0 (IRS master file code)
IRS ruling date
1 January 2024
Status
Code 01 (unconditional exemption)
Form 990 filings on record
1, latest 2022
IRS Publication 78
PC (contributions deductible)
Principal officer
Christopher Hopper (Form 990-N, tax year 2025)

Most connected

Longest observed on the filings

≥4years on the filingsChristopher Hopper
≥4years on the filingsPeggy Mativo
≥4years on the filingsRachel Luo

Latest return

year to 31 December 2022iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 31 December 2022. US dollars, as filed.
Total assets
$29k
Net assets or fund balances
$29k

Filed finances

1 yeariTotals as filed on the IRS Form 990 (revenue and expenses), by tax year.
Tax yearTotal revenueTotal expensesSurplus or deficit
2022$30k$967$29k

As filed on the IRS Form 990. US dollars.