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Governance Register
US nonprofit · EIN 262934953 · Radnor, PAiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 262934953) - 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 - 990PF for the year to 31 December 2025: 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.2026 return IRS e-file (TEOS) 2026 release: 990PF for the year to 31 December 2025.Deductibility IRS Publication 78 data (code PF), downloaded 18 October 2026.State registers Colorado Secretary of State (17 October 2026).Licence US Federal Government public domain.How we handle data

Avantor Sciences Foundation's network

10 peoplei10 people on this map.The large node is the subject of this page. Solid lines are what the register itself records (10). Form 990 filings give names without a person identifier; SEC insider filings carry a CIK.

The board

10 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
Allie HosakDirector2024
2 yrs
Eilidh RobertsonPresident2023
3 yrs
Natalia VitaleDirector2024
2 yrs
Noel FranceCompany secretary2023
3 yrs
Paul SerrinDirector2024
2 yrs
Phil De WinneDirector2024
2 yrs
Stephane MoermanDirector2023
3 yrs
Sukwon DongDirector2024
2 yrs
Tola OlorunnisolaTreasurer2023
3 yrs
Valerie ColladoPresident2023
3 yrs
Under 5 years5 to 6 years6 years or more

Pay and hours

year to 31 December 2025iFrom 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
Eilidh RobertsonPresident1$0
Valerie ColladoPresident4$0
Tola OlorunnisolaTreasurer1$0
Allie HosakDirector1$0
Phil de WinneDirector1$0
Paul SerrinDirector1$0
Natalia VitaleDirector1$0
Sukwon DongDirector (Until 12/25)1$0

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

Colorado roster

12 listediOfficers, directors and trustees from the latest filing with the Colorado Secretary of State (document 20193019819). Titles are as filed; some entries are registered agents or custodians of records rather than board members. Source: data.colorado.gov, public domain.
NameTitle as filed
Michael StubblefieldCEO
Jill GoldenSecretary/Director
Jim BramwellAdvisory Board
Vey GarofaloDirector
Mark ThorntonDirector
Elizabeth CrossenFinance Lead
Foundation Source
Melody JonesFinance Lead
Noel VacheDirector
Jackie ZerilloDirector
Valerie ColladoPresident/Director/Foundation Rep
Valerie ColladoPresident/Diretor/FDN Rep

About

Legal name
Avantor Sciences Foundation
EIN
262934953
Address
100 W Matsonford Rd Ste 1 Ste 200, Radnor, PA, 19087-4565
State
Pennsylvania
Activity (NTEE)
T20 Philanthropy, voluntary services and grantmaking
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Philanthropy, Voluntarism & Grantmaking Foundations
Size band
6 (IRS master file code)
IRS ruling date
1 December 2008
Status
Code 01 (unconditional exemption)
Form 990 filings on record
2, latest 2024
IRS Publication 78
PF (contributions deductible)

Most connected

Longest observed on the filings

≥3years on the filingsEilidh Robertson
≥3years on the filingsNoel France
≥3years on the filingsStephane Moerman
≥3years on the filingsTola Olorunnisola

Latest return

year to 31 December 2025iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 31 December 2025. US dollars, as filed.
Total assets
$711k
Net assets or fund balances
$711k

Filed finances

1 yeariTotals as filed on the IRS Form 990 (revenue and expenses), by tax year.
Tax yearTotal revenueTotal expensesSurplus or deficit
2024$0$1.6mDeficit $1.6m

As filed on the IRS Form 990. US dollars.