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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 Coastal Maine Botanical Gardens Inc Gretchen Ostherr

Gretchen Ostherr

Officer

President and Chief Executive Officer at Coastal Maine Botanical Gardens Inc

Fiscal year ended March 31, 2024. Published on January 25, 2026.

$304,778
2024

Total compensation

Gretchen Ostherr has been listed as an employee of Coastal Maine Botanical Gardens Inc in Form 990 filings since fiscal year 2021. Total compensation for Gretchen Ostherr has increased by 83.8% from 2021 to 2024.

Annual compensation details

$304,778
+12.2%
President and Chief Executive Officer
2024
$279k org
60 hrs/wk
$27k other
--
$271,648
+1.1%
President and Chief Executive Officer
2023
$240k org
60 hrs/wk
$32k other
--

Total compensation by year

Compare the compensation of Gretchen Ostherr to:

2024

Other employees at Coastal Maine Botanical Gardens Inc

Jennifer McKane
Vice President of Philantropy and Marketing
$177,790
$151,220 from orgNo related comp$26,570 other
Amy Root
Senior Philanthropy Advisor
$139,050
$113,211 from orgNo related comp$25,839 other
Daniel Ungier
Vice President of Guest Experience and Education
$134,645
$107,179 from orgNo related comp$27,466 other
Barbara Alfond
Vice Chair (End 5/23)
$0
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Revisions to this profile

January 25, 2026:
2024 Coastal Maine Botanical Gardens Inc 990 published
January 25, 2026:
2023 Coastal Maine Botanical Gardens Inc 990 published
January 25, 2026:
2022 Coastal Maine Botanical Gardens Inc 990 published

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