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US nonprofit · EIN 853661381 · Portland, ORiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 853661381) - 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 30 June 2025: assets, liabilities, staff, website, telephone, pay, grants paid (Schedule I).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

Oregon Stem

Donations deductible
Revenue
$308k
year to 30 June 2025
Expenses
$320k
year to 30 June 2025
Total assets
$283k
$9k liabilities
Net assets
$273k
assets less liabilities
Directors and trustees
16
2.3y av
Staff
1
21 volunteers
Left since last filing
5
31% of the board
Officers and senior staff
1
named in Part VII
How am I connected?

Oregon Stem's network

16 people5 organisationsi16 people and 5 organisations on this map.The large node is the subject of this page. Solid lines are what the register itself records (16). Violet dotted lines (5) 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

16 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 16 voting members of its governing body on its latest Form 990 Part VI, which matches the board listed here.
NameRole as filedSinceOn the board
Beth AlcouloumreBoard Member2025
1 yr
Caitlin RussellBoard Member2024
2 yrs
Carl ThomasBoard Member2023
3 yrs
Chris HesselbeinBoard Member2024
2 yrs
Corey FrazierBoard Treasurer2025
1 yr
Dr Majalise TolanBoard Member2025
1 yr
Jackie MurphyBoard Member2024
2 yrs
Jennifer GrahamBoard Member2025
1 yr
John StroupBoard Member2025
1 yr
Kama AlmasiBoard Member2025
1 yr
Kyle Ritchey-NollBoard President2022
4 yrs
Maddy AhearnBoard Member2024
2 yrs
Melissa Dubois LewisBoard Vice President2025
1 yr
Sarah WhitesideBoard Secretary2023
3 yrs
Tabatha RoderickBoard Member2025
1 yr
Victor VillegasBoard Member2022
4 yrs
Under 5 years5 to 6 years6 years or moreShow all 16 →

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
Debra Mumm-HillExecutive Directorsince 2023

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
Debra Mumm-HillExecutive Director40$112k$8k
Kyle Ritchey-NollBoard President5$0
Melissa Dubois LewisBoard Vice President1$0
Corey FrazierBoard Treasurer1$0
Sarah WhitesideBoard Secretary1$0
Beth AlcouloumreBoard Member0.5$0
Maddy AhearnBoard Member0.5$0
Kama AlmasiBoard Member0.5$0
Jennifer GrahamBoard Member0.5$0
Chris HesselbeinBoard Member0.5$0
Jackie MurphyBoard Member0.5$0
Tabatha RoderickBoard Member0.5$0
Caitlin RussellBoard Member0.5$0
John StroupBoard Member0.5$0
Carl ThomasBoard Member0.5$0
Dr Majalise TolanBoard Member0.5$0
Victor VillegasBoard Member0.5$0

About

Legal name
Oregon Stem
EIN
853661381
Address
7304 N Kellogg St, Portland, OR, 97203-3967
State
Oregon
Mission
Oregon stem promotes equitable access to ste/a/m opportunities across oregon. (as filed on the Form 990)
Activity (NTEE)
B90 Education
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Education
Size band
4 (IRS master file code)
Formed
2020
Principal officer
Deb Mumm-Hill (as named on the Form 990)
IRS ruling date
1 March 2021
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 filingsKyle Ritchey-Noll
≥4years on the filingsVictor Villegas
≥3years on the filingsCarl Thomas
≥3years on the filingsSarah Whiteside

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
$283k
Total liabilities
$9k
Net assets or fund balances
$273k
Contributions and grants received
$304k
Program service revenue
$4k
Grants and similar paid out
$126k
Employees
1
Volunteers
21

Filed finances

1 yeariTotals as filed on the IRS Form 990 (revenue and expenses), by tax year.
Tax yearTotal revenueTotal expensesSurplus or deficit
2024$308k$320kDeficit $12k

As filed on the IRS Form 990. US dollars.

Grants paid

6 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
Southern Oregon Education Service DistrictCatalyze challenge & career exploration for hispanic students in southern oregon$62k
Malheur Education Service District Co Frontier StemCatalyze challenge$21k
Mid-Valley Stem-Cte HubCatalyze challenge$10k
Umpqua Community College Co Umpqua Valley Steam HubCatalyze challenge$10k
Eastern Oregon Workforce Investment BoardCatalyze challenge$10k
Columbia Gorge Education Service DistrictCatalyze challenge$10k

State registration

1 entityiBusiness-entity registers published by US states. These records are matched to this organisation by name and state, not by EIN, and are labelled as likely matches. Street addresses are not shown.
Oregon Stem likely matchiMatched by exact name and state (and ZIP where shown). State registers do not publish EINs, so this is not a confirmed match. Source: Oregon Secretary of State, active business entities (data.oregon.gov tckn-sxa6). Licence not stated. Data last fetched 18 October 2026.
State
Oregon
Entity type
nonprofit corporation
Status
Active
Formed
11 June 2020
Registered agent
Stephanie Salomone (city and state not held)