Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Apr 1938.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
79 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
27 people listed on the 990; $199K paid to officers and key staff.
Jeffrey L Nichols’s $109K as Executive Di is at the 39th percentile of top reported officer pay among 3924 $1–10M arts & culture 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 · 5 named individuals · Part VII
| Name | FY2025 | FY2024 | FY2023 | FY2022 | FY2022 | FY2021 |
|---|---|---|---|---|---|---|
| Pieter Roos | — | $60,447 | $166,548 | $163,415 | $127,919 | $119,285 |
| Michael L Campbell | — | $152,587 | $112,917 | — | — | — |
| Jeffrey L Nichols | $109,278 | — | — | — | — | — |
| Michael Campbell | — | — | — | $106,827 | $79,707 | $70,426 |
| John L Sennott | $90,000 | $22,500 | — | — | — | — |
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
Preserves and shares Mark Twain's home, writings, and legacy for modern audiences.
Questions for The Mark Twain Memorial
Your first name shows with your question. The Mark Twain Memorial answers here, for everyone.
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Museum
The memorial's campus includes a museum center that features exhibition galleries, an auditorium, classrooms and a film theater. Visitors to the museum center can experience a permanent exhibition about mark twain's life and era, view special exhibitions of historic and artistic artifacts from the collections of the memorial and other…
Education Programs
The memorial provides a number of educational programs for students, teachers and the general public. These include interpretive tours of the historic mark twain house, informational presentations, writing workshops, lectures, cultural performances, family programs, special tours and age-appropriate learning activities for students, and…
Funders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2025 990, line by line.
Download 990
| Line | Start FY25 | End FY25 |
|---|---|---|
| Cash and savingsLn 1–2 | $498K | $1.0M |
| InvestmentsLn 11–13 | $3.3M | $3.2M |
| Land, buildings, equipmentLn 10c | $9.8M | $9.2M |
| Total assetsLn 16 | $14.0M | $14.1M |
| LiabilitiesLn 26 | $2.6M | $2.2M |
| Net assetsLn 32 | $11.3M | $11.9M |
| Line | Total | Programs | Management | Fundraising |
|---|---|---|---|---|
| Pay of current officers, directors and key staffLn 5 | $199K | $108K | $55K | $36K |
| Other salaries and wagesLn 7 | $1.4M | $1.0M | $143K | $206K |
| Other employee benefitsLn 9 | $166K | $120K | $21K | $26K |
| Payroll taxesLn 10 | $108K | $78K | $14K | $17K |
| Accounting feesLn 11c | $30K | $22K | $4K | $5K |
| Investment management feesLn 11f | $18K | $18K | ||
| Other fees for servicesLn 11g | $79K | $57K | $10K | $12K |
| Advertising and promotionLn 12 | $40K | $34K | $6K | $674 |
| Office expensesLn 13 | $100K | $72K | $13K | $16K |
| Information technologyLn 14 | $100K | $72K | $13K | $16K |
| OccupancyLn 16 | $206K | $183K | $11K | $11K |
| Depreciation, depletion and amortizationLn 22 | $693K | $624K | $35K | $35K |
| InsuranceLn 23 | $130K | $117K | $6K | $6K |
| Other expenses (24a–d)Ln 24 | $356K | $337K | $7K | $13K |
| Total functional expensesLn 25 | $3.6M | $2.8M | $356K | $398K |
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 Latest Viewing | $4.0M | $3.6M | $417K | $11.9M | 990 PDF |
| FY2024 | $3.2M | $3.6M | −$409K | $11.3M | 990 PDF |
| FY2023 | $2.9M | $3.6M | −$607K | $11.5M | 990 PDF |
| FY2022 | $4.3M | $2.3M | $2.0M | $12.4M | 990 PDF |
| FY2021 | $1.5M | $2.4M | −$901K | $10.9M | 990 PDF |
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Schedules filed Part IV
See the full FY2025 990 (6 parts)
Part I · Summary $4,010,233 revenue, 12 lines filed
Part VI · Governance 25 of 25 board members independent, no flags
Part VIII · Statement of revenue $4,010,233 across 11 lines filed
Part IX · Statement of functional expenses $3,593,180 across 14 lines filed
Part X · Balance sheet $14,050,881 assets, 16 lines filed
Part XI · Reconciliation of net assets $11,850,662 net assets at year end
Form 990 e-file (XML) FY2025 from the IRS · Classification, formation year and address from the IRS Business Master File
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