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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 Gundersen Clinic Ltd Brian Sieck, M.D.

Brian Sieck, M.D.

Former

Former Secretary/Treas THRU 17 at Gundersen Clinic Ltd

Fiscal year ended December 31, 2022. Published on January 25, 2026.

$529,152
2022

Total compensation

Brian Sieck, M.D. has been listed as an employee of Gundersen Clinic Ltd in Form 990 filings since at least fiscal year 2016. Total compensation for Brian Sieck, M.D. has increased by 14.4% from 2016 to 2022.

Annual compensation details

$529,152
+2.4%
Former Secretary/Treas THRU 17
2022
$472k related
40 hrs/wk
$59k other
--
$516,700
+13.7%
Former Secretary/Treas THRU 17
2021
$457k related
40 hrs/wk
$60k other
--

Total compensation by year

Compare the compensation of Brian Sieck, M.D. to:

2022

Other employees at Gundersen Clinic Ltd

Jeffrey Lawrence, M.D.
Medical Doctor
$1,217,963
$0 from org$1,152,244 from related$65,719 other
Mark Topolski, M.D.
Medical Doctor
$1,169,532
$0 from org$1,111,397 from related$58,135 other
Jerry Davis, M.D.
Medical Doctor
$1,157,374
$0 from org$1,103,855 from related$53,519 other
Douglas Hughes, M.D.
Medical Doctor
$1,134,040
$0 from org$1,080,521 from related$53,519 other
Scott Rathgaber, M.D.
Medical Governors - CEO, Chairman
$1,088,135
$0 from org$1,020,916 from related$67,219 other
Kurt Ziegelbein, M.D.
Medical Doctor
$1,067,356
$0 from org$998,787 from related$68,569 other
Ezana Azene, M.D.
Board Member
$1,041,378
$0 from org$967,909 from related$73,469 other
Michael Dolan, M.D.
Executive Vice President, Medical COO
$708,192
$0 from org$636,281 from related$71,911 other
Marilu Bintz, M.D.
Chief Population Health Officer
$673,396
$0 from org$620,762 from related$52,634 other
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Revisions to this profile

January 25, 2026:
2022 Gundersen Clinic Ltd 990 published
January 25, 2026:
2021 Gundersen Clinic Ltd 990 published
January 24, 2026:
2020 Gundersen Clinic Ltd 990 published

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$454,381
-8.5%
Former Officer
2020
$397k related
40 hrs/wk
$58k other
--
$496,407
+6.8%
Former Officer
2019
$455k related
42 hrs/wk
$42k other
--
$464,867
-0.9%
Former BOG - Member
2018
$405k related
--
$61k other
--
$468,862
+1.3%
BOG - Secretary/Treasurer
2017
$404k related
48 hrs/wk
$65k other
--
$462,639
Secretary/Treasurer/Bog
2016
$397k related
46 hrs/wk
$66k other
--

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