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Nonprofit · EIN 84-0509064

COLORADO SCHOOL OF MINES FOUNDATION

Tax-exempt · GOLDEN, CO 80401

Financials

$34.2M$35.7M2022$66.8M$42.5M2023$53.6M$51.2M2024
Revenue Expenses · by fiscal year end
Financials of COLORADO SCHOOL OF MINES FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$53,606,689$51,178,821$2,427,868$537,778,583$51,458,117$486,320,466
June 30, 2024990$66,766,471$42,525,583$24,240,888$492,934,636$48,788,835$444,145,801
June 30, 2023990$34,178,818$35,700,435-$1,521,617$446,656,936$43,927,221$402,729,715
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$39,050,146
Program service revenue
$3,482,751
Investment income
$10,238,613
Royalties
$10,152
Net gain from sales of assets
$8,826,465
Net income from fundraising events
-$3,219
Other revenue
$835,179

Expenses

Grants and similar amounts paid
$37,010,190
Compensation of officers, directors and key employees
$2,022,969
Other salaries and wages
$5,144,640
Salaries, compensation and benefits (total)
$8,782,686
Professional fundraising fees
$0
Legal fees
$20,765
Accounting fees
$98,792
Travel
$197,158
Program services (functional)
$37,010,190
Management and general (functional)
$5,933,136
Fundraising (functional)
$8,235,495

Balance sheet and other

Total assets, start of year
$492,934,636
Total assets, end of year
$537,778,583
Total liabilities, end of year
$51,458,117
Net assets, end of year
$486,320,466
Publicly traded securities
$357,318,737
Net assets without donor restrictions
$38,875,881
Net assets with donor restrictions
$447,444,585
Gross unrelated business income
$780,116
Gross receipts
$326,572,796
Employees
73
Volunteers
249
Year formed
1951
State of legal domicile
CO

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 June 30, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
BRIAN WINKELBAUERPRESIDENT/CEO
Officer
40$497,167$63,103
DOUG MAYOCHIEF ADVANCEMENT OFFICER
Key employee
40$298,182$39,302
STEVE KREIDLERCHIEF BUSINESS OFFICER
Officer
40$292,991$23,752
DEAN LAATTAVP DEVELOPMENT
Key employee
40$208,190$27,477
REBECCA LEEWAYEAVP FINANCE, TREASURER
Key employee
40$176,467$26,533
MICHAEL OBERSENIOR INFORMATION OFFICER
Highest-paid employee
40$168,600$26,415
MARC MCLEANMANAGING DIRECTOR, BUSINESS ENTERPRISES
Key employee
40$181,807$2,859
EMILY KELTONAVP, CORP & FND RELATIONS
Highest-paid employee
40$150,990$30,294
RICHARD GRAWSENIOR DIRECTOR, DEVELOPMENT
Highest-paid employee
40$145,768$31,535
CHRISTIAN SAVAAVP, ADVANCEMENT OPERATIONS
Highest-paid employee
40$140,826$31,171
GRETCHEN GILLILANDSENIOR DIRECTOR, MAJOR GIFTS
Highest-paid employee
40$149,045$17,166
HOWARD E JANZENCHAIR
Trustee or director, Officer
1$0$0
NANCY A KEEGANAT LARGE
Trustee or director
1$0$0
SANDRA STASHAT LARGE
Trustee or director
1$0$0
ANDREW P SWIGERAT LARGE
Trustee or director
1$0$0
5 more people on this return
NameTitleHours / weekCompensation
GEORGE PULS IIIAT LARGE
Trustee or director
1$0
FRANCES M VALLEJOVICE CHAIR
Trustee or director, Officer
1$0
JACKIE HANEYAT LARGE
Trustee or director
1$0
MELANIE WESTERGAARDAT LARGE
Trustee or director
1$0
RODNEY J EICHLERAT LARGE
Trustee or director
1$0
990 for the year ended June 30, 2024: 20 people
NameTitleHours / weekCompensationOther / benefits
BRIAN WINKELBAUERPRESIDENT/CEO
Officer
40$448,166$63,768
DOUG MAYOCHIEF ADVANCEMENT OFFICER
Key employee
40$282,024$39,049
STEVE KREIDLERCHIEF BUSINESS OFFICER
Officer
40$253,689$25,949
DEAN LAATTAVP DEVELOPMENT
Key employee
40$188,626$26,992
REBECCA LEEWAYEAVP FINANCE, TREASURER
Key employee
40$162,654$26,239
MICHAEL OBERSR. INFORMATION OFFICER
Highest-paid employee
40$159,537$26,056
RICHARD GRAWSR. DIRECTOR, DEVELOPMENT
Highest-paid employee
40$148,332$32,227
EMILY KELTONAVP, CORP & FND RELATIONS
Highest-paid employee
40$146,320$30,490
RACHELLE TRUJILLOAVP, MARKETING & COMMUNICATIONS
Highest-paid employee
40$129,152$32,475
GRETCHEN GILLILANDSR. DIRECTOR, MAJOR GIFTS
Highest-paid employee
40$139,653$17,668
HOWARD E JANZENCHAIR
Trustee or director, Officer
1$0$0
STEVEN R ENGERAT LARGE
Trustee or director
1$0$0
NANCY A KEEGANAT LARGE
Trustee or director
1$0$0
SANDRA STASHAT LARGE
Trustee or director
1$0$0
ANDREW P SWIGERAT LARGE
Trustee or director
1$0$0
GEORGE PULS IIIAT LARGE
Trustee or director
1$0$0
FRANCES M VALLEJOVICE CHAIR
Trustee or director, Officer
1$0$0
JACKIE HANEYAT LARGE
Trustee or director
1$0$0
MELANIE WESTERGAARDAT LARGE
Trustee or director
1$0$0
RODNEY J EICHLERAT LARGE
Trustee or director
1$0$0
990 for the year ended June 30, 2023: 19 people
NameTitleHours / weekCompensationOther / benefits
BRIAN WINKELBAUERPRESIDENT/CEO
Officer
40$409,918$51,387
DOUG MAYOVP ADVANCEMENT
Key employee
40$250,748$37,060
STEVE KREIDLERVP FINANCE, CFO
Officer
40$248,606$28,024
DEAN LAATTAVP DEVELOPMENT
Highest-paid employee
40$167,894$24,666
REBECCA LEEWAYEAVP FINANCE, TREASURER
Highest-paid employee
40$151,978$25,075
MICHAEL OBERSR. INFORMATION OFFICER
Highest-paid employee
40$148,365$24,706
RICHARD GRAWSR. DIRECTOR LEADERSHIP GIVING
Highest-paid employee
40$141,716$31,118
EMILY KELTONAVP, CORP & FND RELATIONS
Highest-paid employee
40$133,643$28,467
GERALD W GRANDEYVICE CHAIR
Trustee or director, Officer
1$0$0
HOWARD E JANZENCHAIR
Trustee or director, Officer
1$0$0
STEVEN R ENGERAT LARGE
Trustee or director
1$0$0
NANCY A KEEGANAT LARGE
Trustee or director
1$0$0
SANDRA M STASHAT LARGE
Trustee or director
1$0$0
ANDREW P SWIGERAT LARGE
Trustee or director
1$0$0
GEORGE PULS IIIAT LARGE
Trustee or director
1$0$0
FRANCES M VALLEJOAT LARGE
Trustee or director
1$0$0
WILLIAM M ZISCHAT LARGE
Trustee or director
1$0$0
PAUL E DORRAT LARGE
Trustee or director
1$0$0
RODNEY J EICHLERAT LARGE
Trustee or director
1$0$0

Address and contacts

Address (IRS master file)
1812 ILLINOIS ST, GOLDEN, CO 80401-1838
Principal officer (990 for 2024)
REBECCA LEEWAYE, PO BOX 4005, GOLDEN, CO 80402
Signed the 990
REBECCA LEEWAYE, CHIEF FINANCIAL OFFICER
Phone
(303) 273-3143
Return prepared by
PLANTE & MORAN PLLC

Mission

TO SUPPORT THE UNIVERSITY, ITS ACADEMIC PROGRAMS, AND ITS STUDENTS, AND TO FOSTER ALUMNI RELATIONS. SEE SCHEDULE O.

990 for the year ended June 30, 2025

Program accomplishments

  • PROVIDE FINANCIAL SUPPORT TO THE COLORADO SCHOOL OF MINES AND ITS VARIOUS DEPARTMENTS.
    Expenses $37,010,190 · grants $37,010,190 · revenue $3,482,751

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 June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990 on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
84-0509064
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
1960
Accounting year ends
June
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B110)
Assets (IRS master file)
$537,778,583
Income (IRS master file)
$326,572,796

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$53,606,689$51,178,821$537,778,583XML
990-TJune 2025–––IRS
990June 2024$66,766,471$42,525,583$492,934,636XML
990-TJune 2024–––IRS
990June 2023$34,178,818$35,700,435$446,656,936XML
990-TJune 2023–––IRS
990June 2022–––IRS
990-TJune 2022–––IRS
990June 2021–––IRS
990-TJune 2021–––IRS
990June 2020–––IRS
990June 2019–––IRS
990June 2018–––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 84-0509064).

Questions about COLORADO SCHOOL OF MINES FOUNDATION

What is the EIN of COLORADO SCHOOL OF MINES FOUNDATION?
The employer identification number (EIN) of COLORADO SCHOOL OF MINES FOUNDATION is 84-0509064.
Is COLORADO SCHOOL OF MINES FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1960.
Are donations to COLORADO SCHOOL OF MINES FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does COLORADO SCHOOL OF MINES 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 COLORADO SCHOOL OF MINES FOUNDATION due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did COLORADO SCHOOL OF MINES FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2025.
Who is the principal officer of COLORADO SCHOOL OF MINES FOUNDATION?
The 990 for the year ended June 30, 2025 names REBECCA LEEWAYE.
Who are the officers and directors of COLORADO SCHOOL OF MINES FOUNDATION?
The 990 for the year ended June 30, 2025 lists 20 people; 11 received compensation from the organization, the highest $497,167 (BRIAN WINKELBAUER, PRESIDENT/CEO).
How much revenue does COLORADO SCHOOL OF MINES FOUNDATION have?
On its 990 for the year ended June 30, 2025 it reported revenue of $53,606,689, expenses of $51,178,821 and total assets of $537,778,583 at year end.

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