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PeerBasis
Compensation Comparability Determination

Sir John Soane's Museum Foundation

Executive Director / CEO

EIN 133624437
NY · NTEE A115
FY ending 2024-12-31
June 10, 2026

This analysis benchmarks the total compensation of William Appleton, Executive Director / CEO ($130,000) against every comparable organization that fit the selection criteria — 32 in total — drawn systematically from IRS Form 990 filings, not a hand-picked subset.

Compensation sits at approximately the 91st percentile of comparable organizationsabove the 90th percentile — board review recommended

Benchmarked executive: William Appleton — reported title “EXECUTIVE DIRECTOR”, a direct title match to the Executive Director / CEO role.

How comparable organizations were selected

32 organizations qualified on sector, size, and geography 32 within the band form the benchmarked peer set.

Distribution of comparable compensation

$3,516 total compensation of comparable organizations → $182,377 $130,000
$32,13410th
$40,69425th
$79,405Median
$97,29975th
$120,72190th
$130,000This org · 91st
p10$32,134
p25$40,694
p50$79,405
p75$97,299
p90$120,721
$130,000

Comparable organizations

Each figure is Form 990 Part VII columns D + F (reportable pay plus other compensation and benefits; column F may include amounts from related organizations), normalized to NY cost of living (BEA RPP, 2023) and to its filing year (CPI-U); the reported amount is on each linked 990.

OrganizationStateRevenueMatched titleComp
(reported)
Comp
(adjusted)
FY
Numerica Performing Arts Center WA$1,529,189 Executive Dir. $98,696 $97,787 2024
Public Media Connect OH$1,521,381 President & Ceo $20,050 $23,501 2024
The Tampa Bay History Center FL$1,479,678 President & Ceo $40,031 $41,617 2024
Idabel Museum Society Inc OK$1,605,636 Museum Director $82,500 $100,532 2024
March Field Museum Foundation CA$1,458,574 Director $68,020 $66,919 2023
🔒 27 more comparable organizations — included in the purchased report

Comp (reported) is the figure on each organization's Form 990 (columns D + F); Comp (adjusted) normalizes it to NY cost of living and 2024 dollars. Click any organization to verify the figure on ProPublica.

Methodology

Comparable organizations were drawn from electronically filed IRS Form 990 returns and matched on sector (NTEE code), budget (a size-adaptive revenue band that tightens as the organization grows), and geography (same-state first, broadening only when too few peers qualify); every organization within the band forms the peer set. To compare fairly across regions and years, peer compensation is normalized to NY cost of living (BEA Regional Price Parities, 2023) and to the subject's filing year (CPI-U). The figure benchmarked is Form 990 Part VII, Section A, columns D + F — reportable pay plus other compensation, benefits, and deferred amounts (column F may include amounts from related organizations) — with the chief executive matched by role. Related-organization amounts (column E) and institutional trustees are excluded. Full methodology: peerbasis.org/methodology.

Sample, role match & sensitivity

Sensitivity — the subject's percentile under alternative compensation definitions:

BasisSubject percentile
Total compensation (D + F), cost-of-living + inflation adjusted — the PeerBasis default91st
Total compensation (D + F), as reported (no adjustments)94th
Reportable pay only (column D), adjusted94th
All sources (D + E + F), adjusted63rd

If the percentile moves materially across these definitions, the result is sensitive to methodology choices, and the board should weigh which basis best fits its facts.

Rebuttable presumption of reasonableness · 26 CFR 53.4958-6

Compensation paid by a tax-exempt organization is presumed reasonable — shifting the burden to the IRS — when three requirements are met. This report supplies the comparability data for the second. The board should record the following in its minutes concurrently with its decision:

Ready-to-adopt board minutes — executive compensation

🔒 The complete minutes language — three numbered resolutions pre-filled with this organization, the 32-organization comparison, the date, and the percentile finding, ready to paste into your minutes — is included in the purchased report.

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Sources: IRS Form 990 e-file data (apps.irs.gov); IRS Business Master File (NTEE classification). Every figure traces to an original public filing — click any organization above to verify it on ProPublica. PeerBasis is a service of Prismind Analytics; its methodology is published, was commissioned for independent adversarial review, and discloses its own limitations. This report is comparability data to support a board's good-faith determination under IRC 4958; it is not legal or tax advice. Generated by PeerBasis on June 10, 2026.