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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 Boston Celtics Shamrock Foundation Inc. William Reissfelder

William Reissfelder

Officer

Treasurer at Boston Celtics Shamrock Foundation Inc.

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

$1,384,065
2024

Total compensation

William Reissfelder has been listed as an employee of Boston Celtics Shamrock Foundation Inc. in Form 990 filings since fiscal year 2017. Total compensation for William Reissfelder has increased by 38.6% from 2017 to 2024.

Annual compensation details

$1,384,065
+23.8%
Treasurer
2024
$1.4M
40 hrs/wk
$33k
--
$1,118,104
-15.1%
Treasurer
2023
$1.1M
40 hrs/wk
$34k
--
$1,317,685
+34.7%
Treasurer
2022
$1.3M
40 hrs/wk
$31k
--
$978,469
-0%
Treasurer
2021
$951k
40 hrs/wk
$28k
--
$978,851
-6.8%
Treasurer
2020
$951k
40 hrs/wk
$29k
--
$1,050,733
+8.9%
Treasurer
2019
$949k
40 hrs/wk
$103k
--
$964,805
-3.4%
Treasurer
2018
$919k
40 hrs/wk
$47k
--
$998,797
Treasurer
2017
$958k
40 hrs/wk
$42k
--

Total compensation by year

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Revisions to this profile

January 25, 2026:
2024 Boston Celtics Shamrock Foundation Inc. 990 published
January 25, 2026:
2023 Boston Celtics Shamrock Foundation Inc. 990 published
January 25, 2026:
2022 Boston Celtics Shamrock Foundation Inc. 990 published

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2024

Other employees at Boston Celtics Shamrock Foundation Inc.

Wycliffe K Grousbeck
Chief Executive Officer and Director
$11,117,625
$0 $11,087,104 $30,521
Richard Gotham
Exec. Clerk
$3,731,704
$0 $3,701,183 $30,521

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2024
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