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US nonprofit · EIN 263717278 · Charleston, SCiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 263717278) - 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, grants paid (Schedule I).Renewal outlook Computed by Governance Register from the observed filing history and filed revenue. Not a statement that the organisation is recruiting.Deductibility IRS Publication 78 data (code PC), downloaded 18 October 2026.State registers Colorado Secretary of State (17 October 2026).Licence US Federal Government public domain.How we handle data

Oneworld Health

Donations deductible
Revenue
$7.3m
year to 30 June 2025
Expenses
$7.8m
year to 30 June 2025
Total assets
$7.2m
$1.2m liabilities
Net assets
$6m
assets less liabilities
Directors and trustees
8
6.0 years on average
Staff
12
201 volunteers
Chair observed
≥6 yrs
Mitchell Harper
Left since last filing
0
no seats appear to have opened
How am I connected?

Oneworld Health's network

8 peoplei8 people on this map.The large node is the subject of this page. Solid lines are what the register itself records (8). Form 990 filings give names without a person identifier; SEC insider filings carry a CIK.

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.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 7 voting members of its governing body on its latest Form 990 Part VI, which matches the board listed here.
NameRole as filedSinceOn the board
Mitchell Harper ChairChairman2017
9 yrs
Deleca Reynolds-BarnesBoard Member2022
4 yrs
Edward O'Bryan MD (also filed as Edward O'Bryan)Board Member2019
7 yrs
Kevin KampeBoard Member2019
7 yrs
Mark BrinkmoellerBoard Member2021
5 yrs
Matthew AlexanderBoard Member2019
7 yrs
Terry Dixon MD PHD Rolled OFFCompany secretary2023
3 yrs
TIM StutzBoard Member2023
3 yrs
Under 5 years5 to 6 years6 years or more

Officers and senior leadership

4 listediNamed in Part VII as officers, key employees or highest-compensated staff - not board members, shown for completeness.
NameTitle as filedOn the filings
Matthew AlexanderCEOsince 2017
Michael A O'Neal IIExecutive Disince 2017
Micheal O'NealExecutive Directorsince 2019
Scott PetersonSr VP of Dev2023

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
Michael A O'Neal IIExecutive Director40$211k$25k
Scott PetersonSr VP of Development40$132k$26k
Missie ParkerMajor Gifts Officer40$128k$14k
Mitchell HarperChairman2$0
Matthew AlexanderBoard Member1$0
Kevin KampeBoard Member1$0
Tim StutzBoard Member1$0
Hope CaldwellBoard Member1$0
Leonard Egede MDBoard Member1$0

Colorado roster

11 listediOfficers, directors and trustees from the latest filing with the Colorado Secretary of State (document 20263013658). 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
Hope CaldwellBoard Member
Missie ParkerMajor Gifts Officer
Leonard EgedeBoard Member
Michael A. O'nealExecutive Director
Tim StutzBoard Member
Tyler Zamora
Kevin KampeBoard Member
Scott PetersonSr VP of Development
Robert MajkaPresident
Matthew AlexanderBoard Member
Mitchell HarperChairman

About

Legal name
Oneworld Health
EIN
263717278
Address
Po Box 20340, Charleston, SC, 29413-0340
State
South Carolina
Mission
To provide quality, affordable healthcare to people in need. (as filed on the Form 990)
Activity (NTEE)
Q33 International, foreign affairs and national security
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
International, Foreign Affairs & National Security
Size band
7 (IRS master file code)
Formed
2009
Principal officer
Bobby Majka (as named on the Form 990)
IRS ruling date
1 May 2009
Status
Code 01 (unconditional exemption)
Form 990 filings on record
7, latest 2023
IRS Publication 78
PC (contributions deductible)

Most connected

Longest observed on the filings

≥9years on the filingsMitchell Harper
≥7years on the filingsEdward O'Bryan MD
≥7years on the filingsKevin Kampe
≥7years on the filingsMatthew Alexander

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
$7.2m
Total liabilities
$1.2m
Net assets or fund balances
$6m
Contributions and grants received
$4.5m
Program service revenue
$3.5m
Grants and similar paid out
$45k
Employees
12
Volunteers
201

Grants paid

1 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
Serve Hope International$23k