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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 Longwood Research Institute Inc Douglas Vanderslice

Douglas Vanderslice

OfficerTrustee/director

Treasurer and Trustee at Longwood Research Institute Inc

Fiscal year ended September 30, 2024. Published on January 25, 2026.

$1,684,195
2024

Total compensation

Douglas Vanderslice has been listed as an employee of Longwood Research Institute Inc in Form 990 filings since fiscal year 2020. Total compensation for Douglas Vanderslice has increased by 7.8% from 2020 to 2024.

Annual compensation details

$1,684,195
-18.1%
Treasurer and Trustee
2024
$1.6M related
55 hrs/wk
$81k other
--
$2,056,970
+24.9%
Treasurer and Trustee
2023
$2M related
55 hrs/wk
$76k other
--

Total compensation by year

Compare the compensation of Douglas Vanderslice to:

2024

Other employees at Longwood Research Institute Inc

Kevin Churchwell, M.D.
President and Trustee
$3,197,892
$0 from org$3,062,633 from related$135,259 other
Michele Garvin, Esq
Clerk and Trustee (END 10/16/23)
$1,254,786
$0 from org$1,201,614 from related$53,172 other
Sandra Fenwick
Former President and Trustee
$939,289
$0 from org$939,289 from relatedNo other comp
Christopher Viney, Jd
Clerk and Trustee (Begin 10/16/23)
$195,238
$0 from org$174,862 from related$20,376 other
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Revisions to this profile

January 25, 2026:
2024 Longwood Research Institute Inc 990 published
January 25, 2026:
2023 Longwood Research Institute Inc 990 published
January 25, 2026:
2022 Longwood Research Institute Inc 990 published

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