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US nonprofit · EIN 873630179 · Marietta, GAiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 873630179) - 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, grants paid (Schedule I).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 2021.Deductibility IRS Publication 78 data (code PC), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data

Mighty Millie Foundation Inc

Donations deductible
Revenue
$227k
year to 31 December 2025
Expenses
$204k
year to 31 December 2025
Total assets
$115k
$0 liabilities
Net assets
$115k
assets less liabilities
Directors and trustees
5
4.4y av
Staff
1
employees, year to 31 December 2025
Left since last filing
0
no seats appear to have opened
Voting members
5
reported in Part VI
How am I connected?

Mighty Millie Foundation Inc's network

5 peoplei5 people on this map.The large node is the subject of this page. Solid lines are what the register itself records (5). Form 990 filings give names without a person identifier; SEC insider filings carry a CIK.

The board

5 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.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 5 voting members of its governing body on its latest Form 990 Part VI, which matches the board listed here.
NameRole as filedSinceOn the board
Claire MraeckPresident2022
4 yrs
Hannah WaldmanDirector2022
4 yrs
Katherine ParkerDirector2022
4 yrs
Nick MracekSecretary Treasurer2022
4 yrs
Stephanie BullockDirector2022
4 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
Nicholas MracekExecutive Di40$63k
Claire MracekCFO25$0
Stephanie BullockChair of the10$0
Katherine ParkerBoard Member10$0
Hannah WaldmanSecretary10$0

About

Legal name
Mighty Millie Foundation Inc
EIN
873630179
Address
Po Box 1563, Marietta, GA, 30061-1563
State
Georgia
Mission
Bring community together creating awareness, funding, resources, research, and other projects to fight childhood cancer. Provide freezer popsicles wherever childhood cancer treatment is ongoing. (as filed on the Form 990)
Activity (NTEE)
G30 Voluntary health associations and medical disciplines
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Voluntary Health Associations & Medical Disciplines
Size band
4 (IRS master file code)
Formed
2021
Principal officer
Nicholas Mracek (as named on the Form 990)
IRS ruling date
1 April 2022
Status
Code 01 (unconditional exemption)
Form 990 filings on record
2, latest 2023
IRS Publication 78
PC (contributions deductible)

Most connected

Longest observed on the filings

≥4years on the filingsClaire Mraeck
≥4years on the filingsHannah Waldman
≥4years on the filingsKatherine Parker
≥4years on the filingsNick Mracek

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
$115k
Total liabilities
$0
Net assets or fund balances
$115k
Contributions and grants received
$234k
Program service revenue
$0
Grants and similar paid out
$29k
Employees
1

Grants paid

2 listediFrom Schedule I of the Form 990: grants and assistance to organisations in the United States, largest first (up to 25). Schedule I is filed only by organisations that gave more than $5,000 to any one recipient.
RecipientPurposeAmount
Beat Childhood CancerPeds cancer research$10k
University of FloridaPeds cancer research$5k