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PeerBasis
Compensation Comparability Determination

Illinois Hospital Research & Educational

Executive Director / CEO

EIN 237421930
IL · NTEE E22P
FY ending 2024-12-31
June 9, 2026

This analysis benchmarks the total compensation of Arthur J Wilhelmi, Executive Director / CEO ($268,550) against every comparable organization that fit the selection criteria — 103 in total — drawn systematically from IRS Form 990 filings, not a hand-picked subset.

Compensation sits at approximately the 96th percentile of comparable organizationsabove the 90th percentile — board review recommended

Benchmarked executive: Arthur J Wilhelmi — reported title “CHAIRMAN/PRESIDENT”, selected as the organization's highest-paid individual — no exact title match, so confirm this is a comparable role.

How comparable organizations were selected

103 organizations qualified on sector, size, and geography 103 within the band form the benchmarked peer set.

Distribution of comparable compensation

$38 total compensation of comparable organizations → $520,343 $268,550
$4,19010th
$15,32425th
$30,525Median
$54,72475th
$126,64690th
$268,550This org · 96th
p10$4,190
p25$15,324
p50$30,525
p75$54,724
p90$126,646
$268,550

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 IL 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
Professional Emergency Services Inc WI$44,228 Pres/treas $7,500 $7,967 2024
Pediatric And Family Medical Foundation CA$44,188 President/ceo $22,813 $20,629 2023
Ahp Foundation VA$43,849 President/ceo $46,042 $46,555 2023
Tomah Health Community Foundation Inc WI$43,748 Director Of Public Relations $166,970 $177,372 2024
Swannanoa Valley Medical Centerinc NC$45,652 Secretary $1,800 $1,892 2024
Ibew 1393 Charity Foundation Inc IN$43,219 Director $60,882 $65,306 2024
Jewish Home Of Greater Harrisburg PA$46,015 Ceo $498,260 $520,343 2023
Hebrew Health Care Inc CT$43,200 President & Ceo $333,977 $318,518 2024
Missionwellness Foundation Inc GA$43,096 Officer $11,310 $11,909 2023
Tri-county Health Clinic VA$46,405 Executive Director $52,000 $51,071 2024
National Institute For African American Health OH$42,354 Executive Director $20,354 $22,576 2023
Silver Otter Strategies Inc MA$47,039 Treasurer (Until 1/2023) $26,961 $25,371 2023
Four Rivers Charitable Foundation KY$47,075 Vice President $56,355 $63,405 2023
Bert Fish Medical Center Auxiliary Inc FL$42,124 Director/president $40 $38 2024
Children's Hemiplegia And TX$41,862 Executive Di $30,000 $30,525 2024
Hospice Of Morrow County Inc OH$41,550 Administrator $8,400 $9,050 2024
Comprehensive Medical Mentoring Program LA$41,470 President $53,373 $59,780 2024
International Medical Response Foundation NY$48,056 Executive Director $10,000 $9,463 2023
Harrisburg Medical Center Foundation IL$41,100 President/ceo $128,446 $128,446 2024
Schuyler Memorial Hospital Foundation NE$48,363 President & Ceo Chi Health $29,391 $33,104 2023
The Lifeline Foundation Inc KY$48,623 President $42,042 $44,760 2025
White Oak Volunteer Rescue Squad Inc VA$48,683 Treasurer $3,600 $3,536 2024
Community Nursing Association Of MA$40,131 Treasurer And Director $682 $623 2024
Community Memorial Hospital Medical IA$49,222 Market President Regional Hospitals $30,939 $35,476 2023
Strategic Professional Solutions Inc KS$39,887 Executive Director Retired $17,676 $19,424 2024

Comp (reported) is the figure on each organization's Form 990 (columns D + F); Comp (adjusted) normalizes it to IL 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 IL 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 default96th
Total compensation (D + F), as reported (no adjustments)95th
Reportable pay only (column D), adjusted0th
All sources (D + E + F), adjusted94th

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:

Draft board minutes — executive compensation

  1. The compensation of the Executive Director / CEO (Arthur J Wilhelmi) was approved in advance by [the Board / Compensation Committee], composed of members with no conflict of interest with respect to the arrangement.
  2. Prior to its determination, the authorized body obtained and relied upon appropriate comparability data, namely the PeerBasis Compensation Comparability Determination dated June 9, 2026, comparing compensation against 103 similarly situated organizations (Same NTEE major group (E), nationwide + budget 0.67–1.5× revenue).
  3. The authorized body determined that total compensation of $268,550 is reasonable (approximately the 96th percentile of comparable organizations) and documented the basis for this determination concurrently, on [date], by a vote of [__ for / __ against].

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 9, 2026.