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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees The Holden Arboretum Joel Alpern

Joel Alpern

Officer

Interim Co-Pres.&Ceo at The Holden Arboretum

Fiscal year ended September 30, 2023. Published on January 25, 2026.

$200,000

2023

Total compensation

Joel Alpern has been listed as an employee of The Holden Arboretum in Form 990 filings since fiscal year 2023.

Annual compensation details

$200,000

Interim Co-Pres.&Ceo

2023

$200k org

40 hrs/wk

Total compensation by year

Compare the compensation of Joel Alpern to:

2023

Other employees at The Holden Arboretum

President&Ceo(Through 10/22)

$401,940 from orgNo related comp$32,000 other

Kathleen Heflin

Interim Co-Pres.&Ceo and CFO

$234,353 from orgNo related comp$12,989 other

Vice President, Science and Conservation

$157,638 from orgNo related comp$19,706 other

Vice President, Horticulture and Collections

$115,665 from orgNo related comp$12,144 other

Vice President, Human Resources

$100,273 from orgNo related comp$22,268 other

Margaret Butzow

Assistant Secretary

$0 from org$61,440 from related$8,559 other

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January 25, 2026:

2023 The Holden Arboretum 990 published

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