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US nonprofit · EIN 842338899 · Norwalk, CTiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 842338899) - 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 tenure.Latest return IRS Form 990 series e-file data - 990 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 (us-approach-v4-clean). Not a statement that the organisation is recruiting.Principal officer IRS Form 990-N (e-Postcard) - principal officer named for tax year 2020.Deductibility IRS Publication 78 data (code PC), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data

International Follicular Lymphoma Challenge Inc

Donations deductible
Revenue
$743k
year to 31 December 2025
Expenses
$594k
year to 31 December 2025
Total assets
$702k
$139k liabilities
Net assets
$563k
assets less liabilities
Directors and trustees
8
4.2y av
Staff
1
employees, year to 31 December 2025
Left since last filing
0
no seats appear to have opened
Officers and senior staff
2
named in Part VII
How am I connected?

International Follicular Lymphoma Challenge Inc's network

8 people2 organisationsi8 people and 2 organisations on this map.The large node is the subject of this page. Solid lines are what the register itself records (8). 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

8 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.Tenure and departures are observed across annual filings. Observed tenure is a lower bound - a member may have joined before the first year on record. The organisation reported 6 voting members of its governing body on its latest Form 990 Part VI, which matches the board listed here.
NameRole as filedSinceOn the board
Carolyn EversonBoard Member2023
3 yrs
Carolyn Noel EversonBoard Member2022
4 yrs
Franz HumerBoard Member2022
4 yrs
Jonathan CohenSecretary and Treasurer2022
4 yrs
Jonathan Neil MendelsohnBoard Member2023
3 yrs
Jonathan SimonsBoard Member2022
4 yrs
Louis DegennaroBoard Member2022
4 yrs
Nicola MendelsohnPresident2022
4 yrs
Under 5 years5 to 6 years6 years or more

Officers and senior leadership

2 listediNamed in Part VII as officers, key employees or highest-compensated staff - not board members, shown for completeness.
NameTitle as filedOn the filings
Dr Mitchell SmithChief Medical Officer2022
Matt SmithMedical Directorsince 2023

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
Nicola MendelsohnPresident$0
Jonathan CohenSecretary and Treasurer$0
Louis DegennaroBoard Member$0
Carolyn Noel EversonBoard Member$0
Franz HumerBoard Member$0
Jonathan SimonsBoard Member$0
Jonathan Neil MendelsohnBoard Member$0
Carolyn EversonBoard Member$0
Matt SmithMedical Director20$0

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

About

Legal name
International Follicular Lymphoma Challenge Inc
EIN
842338899
Address
62 Cove Ave, Norwalk, CT, 06855-2412
State
Connecticut
Mission
Funding of research to find a cure for follicular lymphoma (as filed on the Form 990)
Activity (NTEE)
T30 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
5 (IRS master file code)
Formed
2019
Principal officer
Jonathan Cohen (as named on the Form 990)
IRS ruling date
1 August 2020
Status
Code 01 (unconditional exemption)
Form 990 filings on record
4, latest 2025
IRS Publication 78
PC (contributions deductible)

Most connected

Longest observed on the filings

≥4years on the filingsCarolyn Noel Everson
≥4years on the filingsFranz Humer
≥4years on the filingsJonathan Cohen
≥4years on the filingsJonathan Simons

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
$702k
Total liabilities
$139k
Net assets or fund balances
$563k
Contributions and grants received
$743k
Program service revenue
$0
Employees
1

Filed finances

1 yeariTotals as filed on the IRS Form 990 (revenue and expenses), by tax year.
Tax yearTotal revenueTotal expensesSurplus or deficit
2024$532k$528k$4k

As filed on the IRS Form 990. US dollars.