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Nonprofit · EIN 46-3396886

MISSION BRAIN FOUNDATION

Tax-exempt · SAUSALITO, CA 94965

Financials

$557K$181K2023$872K$417K2024
Revenue Expenses · by fiscal year end
Financials of MISSION BRAIN FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$871,654$416,575$455,079$1,495,649$0$1,495,649
December 31, 2023990$556,803$181,177$375,626$1,040,570$0$1,040,570
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$825,776
Program service revenue
$0
Investment income
$45,878
Other revenue
$0

Expenses

Grants and similar amounts paid
$30,000
Compensation of officers, directors and key employees
$100,000
Other salaries and wages
$12,513
Salaries, compensation and benefits (total)
$112,513
Professional fundraising fees
$0
Legal fees
$4,539
Accounting fees
$1,692
Travel
$21,154
Program services (functional)
$216,526
Management and general (functional)
$150,049
Fundraising (functional)
$50,000

Balance sheet and other

Total assets, start of year
$1,040,570
Total assets, end of year
$1,495,649
Total liabilities, end of year
$0
Net assets, end of year
$1,495,649
Publicly traded securities
$753,531
Gross unrelated business income
$45,878
Gross receipts
$871,654
Employees
0
Volunteers
400
Year formed
2013
State of legal domicile
CA

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2024, highest compensation first.

NameTitleHours / weekCompensation
April SabanganChief Executive Officer
Officer
40$0
990 for the year ended December 31, 2023: 5 people
NameTitleHours / weekCompensation
April SabanganExecutive Director
Trustee or director
8$0
Alfredo Quinones-HinojosaPresident
Trustee or director
8$0
Will AarsheimTreasurer, Equipmentor
Trustee or director
4$0
Michael LawtonVice President2$0
Paola MeadeSecretary8$0

Address and contacts

Address (IRS master file)
3001 BRIDGEWAY SUITE K161, SAUSALITO, CA 94965-1408
Principal officer (990 for 2024)
Will Aarsheim, 3001 BRIDGEWAY BLVD K161, Sausalito, CA 949651408
Signed the 990
Will Aarsheim, Treasurer

California records

California keeps its own records of charities and corporations. Search them by EIN 46-3396886 or by the name MISSION BRAIN FOUNDATION.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

Mission Brain is dedicated to expanding access to neurosurgical care worldwide. Through innovative training programs research groups and global partnerships we aim to address the critical shortage of neurosurgeons in underserved regions.

990 for the year ended December 31, 2024

Program accomplishments

  • From classrooms to operating rooms Mission:Brain is creating pathways for students residents and early-career professionals to step into the future of neuroscience and neurosurgery.
    Expenses $89,311
  • Through NeuroClinics and community-based collaboration were helping local neurosurgeons take ownership of their own missions - with access to resources mentorship and infrastructure that allows them to grow independently.
    Expenses $77,215
  • Through our Global Neurosurgery Research Program were collecting and analyzing data where its needed most - in underserved regions that have historically been left out of global studies. By leading research supporting peer-reviewed publications and empowering local teams to conduct their own investigations were building evidence that drives smarter more equitable care.
    Expenses $50,000 · grants $30,000

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Not on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
46-3396886
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2016
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$1,495,649
Income (IRS master file)
$871,654

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$871,654$416,575$1,495,649XML
990December 2023$556,803$181,177$1,040,570XML
990-EZDecember 2021–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 46-3396886).

Questions about MISSION BRAIN FOUNDATION

What is the EIN of MISSION BRAIN FOUNDATION?
The employer identification number (EIN) of MISSION BRAIN FOUNDATION is 46-3396886.
Is MISSION BRAIN FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2016.
Are donations to MISSION BRAIN FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MISSION BRAIN FOUNDATION file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of MISSION BRAIN FOUNDATION due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MISSION BRAIN FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2024.
Who is the principal officer of MISSION BRAIN FOUNDATION?
The 990 for the year ended December 31, 2024 names Will Aarsheim.
Who are the officers and directors of MISSION BRAIN FOUNDATION?
The 990 for the year ended December 31, 2024 lists 1 person; 0 received compensation from the organization.
How much revenue does MISSION BRAIN FOUNDATION have?
On its 990 for the year ended December 31, 2024 it reported revenue of $871,654, expenses of $416,575 and total assets of $1,495,649 at year end.

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