Skip to content
Governance Register
US nonprofit · EIN 843703166 · Sun Prairie, WIiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 843703166) - 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 30 June 2025: assets, liabilities, staff, website, telephone, pay.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 2020.Deductibility IRS Publication 78 data (code PC), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data

Explore Childrens Museum of Sun Prairie's network

7 peoplei7 people on this map.The large node is the subject of this page. Solid lines are what the register itself records (7). Form 990 filings give names without a person identifier; SEC insider filings carry a CIK.

The board

7 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. 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
Adam Schleicher ChairChair2022
4 yrs
Elizabeth KnudtenDirector2022
4 yrs
Julie SundaramDirector2022
4 yrs
Kelly NelsonDirector2022
4 yrs
Kyle AgerTreasurer2022
4 yrs
Linda CrawfordCompany secretary2022
4 yrs
Tenisha WinnDirector Through May2022
4 yrs
Under 5 years5 to 6 years6 years or more

Officers and senior leadership

1 listediNamed in Part VII as officers, key employees or highest-compensated staff - not board members, shown for completeness.
NameTitle as filedOn the filings
Katherine KamokuExecutive Directorsince 2022

Pay and hours

year to 30 June 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
Katherine KamokuExecutive Director40$74k
Adam SchleicherChair1$0
Elizabeth KnudtenSecretary1$0
Kyle AgerTreasurer1$0
Emily ArevaloDirector1$0
Kayla JensenDirector1$0
Jennifer ApodacaDirector1$0
Todd LabeauDirector1$0
Kathleen LabeauDirector1$0
Josh PageDirector1$0
Deanna PopkeDirector1$0
Caroline StraussDirector Through February1$0

About

Legal name
Explore Childrens Museum of Sun Prairie
EIN
843703166
Address
1433 W Main St, Sun Prairie, WI, 53590-1837
State
Wisconsin
Mission
Explore children's museum's mission is to provide meaningful opportunities, inspire participation in purposeful play, and promote lifelong learning. (as filed on the Form 990)
Activity (NTEE)
A52 Arts, culture and humanities
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Arts, Culture & Humanities
Size band
4 (IRS master file code)
Formed
2019
Principal officer
Katherine Kamoku (as named on the Form 990)
IRS ruling date
1 January 2020
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 filingsAdam Schleicher
≥4years on the filingsElizabeth Knudten
≥4years on the filingsJulie Sundaram
≥4years on the filingsKelly Nelson

Latest return

year to 30 June 2025iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 30 June 2025. US dollars, as filed.
Total assets
$444k
Total liabilities
$240k
Net assets or fund balances
$204k
Contributions and grants received
$154k
Program service revenue
$237k
Employees
23
Volunteers
14