PeerBasis.org
Animal-Related · MI

John Ball Zoo

John Ball Zoo's latest filing in the PeerBasis snapshot reports a Part VII D + F figure of $499,455 for Peter F D'arienzo, Ceo (FY 2024). Column F can include amounts from the filing and related organizations.

After indexing supported filing years to 2025 comparison dollars, the subject figure is $512,597. It is higher than the D + F figure for 30 of 35 peer organizations selected under the disclosed tier Same NTEE major group (D), nationwide + size band 0.77–1.3× revenue (approximately 86%; median $340,120). This is descriptive, not a reasonableness conclusion.

$37,349,675Total revenue (FY 2024)
$499,455Reported Part VII D + F figure
30 / 35Selected peers with a strictly lower 2025-dollar figure (approximately 86%)

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Review the selected comparables for John Ball Zoo, then prepare a source-linked report and bracketed documentation worksheet for the board to verify and complete.

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Selected peer organizations

Actual selection tier: Same NTEE major group (D), nationwide + size band 0.77–1.3× revenue. Displayed D + F figures from supported filing years are indexed to 2025 comparison dollars with BLS CPI-U; a nationwide tier also uses 2024 BEA RPP as a consumer price-level proxy when both the subject and peer have supported state codes. Unsupported state codes receive no interstate adjustment. Comparison values can differ from the raw filing. Column F may include related-organization amounts.

OrganizationStateRevenueD + F (2025 dollars)
Maui Humane Society HI$37,215,076 $77,333
International Fund For Animal Welfare Inc DC$36,489,490 $439,325
The Wild Animal Sanctuary CO$36,365,923 $259,131
African Wildlife Foundation Inc DC$38,598,852 $484,333
Defenders Of Wildlife DC$36,052,170 $573,041
Dove Lewis Emergency Animal Hospital Inc OR$35,964,307 $411,300
Nashville Zoo Inc TN$35,907,046 $833,544
Jacksonville Zoological Society Inc FL$39,286,259 $287,949

View the organization record and available filings on ProPublica