Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2026. IRS ruling in Jan 2016.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
66 cents of each dollar spent went to programs.
Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.
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Who runs it and what they're paid
24 people listed on the 990; $1.3M paid to officers and key staff.
Lisa Diekmann’s $299K as President & CEO is at the 63rd percentile of top reported officer pay among 324 $10–100M environment nonprofits. Peer set: organizations in the same NTEE major field of work and revenue-size band, compared on each org’s own highest-paid officer/key-employee, from Form 990 Part VII / 990-PF Part VIII. Descriptive placement, not a verdict on whether the pay is appropriate.
Compensation history total reportable pay by year · 8 named individuals · Part VII
| Name | FY2026 | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 |
|---|---|---|---|---|---|---|
| Heather B White | — | — | — | — | — | $138,462 |
| Lisa Diekmann | $299,182 | $264,418 | $218,615 | $217,789 | $179,522 | $57,632 |
| Kelly Herman | — | — | — | — | — | — |
| Kristena Mills | $184,197 | $158,824 | $143,076 | $139,077 | $122,272 | $13,074 |
| Nina Novikoff | $168,079 | $148,594 | $126,901 | — | — | — |
| Wendie Carr | $159,881 | $155,026 | $142,928 | $136,327 | $124,527 | $118,807 |
| Thomas Cluderay | — | — | — | — | — | — |
| Samuel Barkley | $153,310 | $142,471 | — | — | — | — |
Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.
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Questions the 990 asks
The form asks each of these directly. These are the filed answers.
- Family or business ties among officersPt VI · Ln 2No
- Top official's pay set by an independent reviewPt VI · Ln 15aYes
Programs and updates
Supports Yellowstone National Park through donations and educational programs.
Questions for Yellowstone Forever
Your first name shows with your question. Yellowstone Forever answers here, for everyone.
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Support for yellowstone national park. Cash grants support six initiatives: cultural treasurers, greenest park, ranger heritage, tomorrow's stewards, visitor experience, and wildlife grants were also spent on the canyon overlooks.
Visitor education product sales. Approximatley 270,000 transactions from customers and visitors to yellowstone national park who purchased educational and interpretive books, maps, DVDS, games, and other items that foster a deeper understanding, appreciation, and enjoyment of yellowstone and its surrounding ecosystem at 8 park stores at…
Visitor eduction programming. Approximately 9,573 visitors to yellowstone national park attended over 673 yellowstone forever educational programs in natural history, geology, cultural history, wildlife, environmental conservation and presevation for a total of approximately 140,622 contact hours.
Funders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2020 990, line by line.
Download 990
| Line | Start FY20 | End FY20 |
|---|---|---|
| Cash and savingsLn 1–2 | $44K | $113K |
| InvestmentsLn 11–13 | $2.3M | $1.8M |
| Land, buildings, equipmentLn 10c | $10.5M | $9.5M |
| Total assetsLn 16 | $18.5M | $16.8M |
| LiabilitiesLn 26 | $3.9M | $5.1M |
| Net assetsLn 32 | $14.6M | $11.7M |
| Line | Total | Programs | Management | Fundraising |
|---|---|---|---|---|
| Grants to domestic organizationsLn 1 | $4.1M | $4.1M | ||
| Pay of current officers, directors and key staffLn 5 | $688K | $419K | $109K | $161K |
| Other salaries and wagesLn 7 | $5.4M | $3.3M | $861K | $1.3M |
| Pension plan contributionsLn 8 | $205K | $125K | $32K | $48K |
| Other employee benefitsLn 9 | $474K | $288K | $75K | $111K |
| Payroll taxesLn 10 | $521K | $317K | $82K | $122K |
| Legal feesLn 11b | $56K | $22K | $5K | $29K |
| Accounting feesLn 11c | $93K | $76K | $3K | $14K |
| Professional fundraising feesLn 11e | $664K | $664K | ||
| Investment management feesLn 11f | $15K | $15K | ||
| Other fees for servicesLn 11g | $286K | $112K | $27K | $147K |
| Advertising and promotionLn 12 | $128K | $47K | $13K | $67K |
| Office expensesLn 13 | $111K | $70K | $11K | $29K |
| Information technologyLn 14 | $728K | $266K | $199K | $263K |
| OccupancyLn 16 | $485K | $234K | $185K | $67K |
| TravelLn 17 | $273K | $196K | $24K | $53K |
| Conferences, conventions and meetingsLn 19 | $76K | $21K | $37K | $18K |
| InterestLn 20 | $241K | $160K | $29K | $52K |
| Depreciation, depletion and amortizationLn 22 | $1.1M | $668K | $275K | $150K |
| InsuranceLn 23 | $157K | $124K | $21K | $12K |
| Other expenses (24a–d)Ln 24 | $1.2M | $779K | $10K | $440K |
| All other expensesLn 24e | $152K | $97K | $22K | $32K |
| Total functional expensesLn 25 | $17.2M | $11.4M | $2.0M | $3.8M |
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2026 Latest | $34.5M | $25.8M | $8.7M | $78.6M | 990 PDF |
| FY2025 | $41.8M | $16.9M | $24.9M | $69.1M | 990 PDF |
| FY2024 | $21.3M | $14.5M | $6.8M | $43.8M | 990 PDF |
| FY2023 | $21.1M | $13.6M | $7.4M | $37.3M | 990 PDF |
| FY2022 | $24.9M | $9.7M | $15.2M | $30.1M | 990 PDF |
| FY2021 | $10.8M | $7.7M | $3.1M | $15.0M | 990 PDF |
| FY2020 Viewing | $14.3M | $17.2M | −$2.9M | $11.7M | 990 PDF |
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Schedules filed Part IV
See the full FY2020 990 (6 parts)
Part I · Summary $14,346,181 revenue, 12 lines filed
Part VI · Governance 16 of 16 board members independent, no flags
Part VIII · Statement of revenue $14,346,181 across 10 lines filed
Part IX · Statement of functional expenses $17,207,595 across 22 lines filed
Part X · Balance sheet $16,824,256 assets, 17 lines filed
Part XI · Reconciliation of net assets $11,737,567 net assets at year end
Form 990 e-file (XML) FY2020 from the IRS · Classification, formation year and address from the IRS Business Master File
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