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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 Upper Mississippi Illinois Robert Sinkler

Robert Sinkler

Member at Upper Mississippi Illinois

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

$0

2024

Total compensation

Robert Sinkler has been listed as an employee of Upper Mississippi Illinois in Form 990 filings since fiscal year 2021.

Annual compensation details

$0

Member

2024

$0

Member

2023

$0

Member

2022

$0

Member

2021

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Revisions to this profile

January 25, 2026:

2024 Upper Mississippi Illinois 990 published

January 25, 2026:

2023 Upper Mississippi Illinois 990 published

January 25, 2026:

2022 Upper Mississippi Illinois 990 published

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2024

Other employees at Upper Mississippi Illinois

Tim Maiers

Executive Director

$36,000

$36,000 ——

Jim Koeller

Vice Chair

$0

John Winkelman

Executive Committee Member

$0

Bruce Brinkman

Member

$0

Mark Gremaud

Director at-large

$0

Philip Held

Member

$0

Mike Reed

Director at-large

$0

Danny Kuenzel

Member

$0

Al Muhlenbruck

Member

$0

Other people named Robert Sinkler

2024

America's Watershed Initiative

National Waterways Conference Inc.

Robert Wh Sinkler

The Windibrow Foundation