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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 Wisconsin Montessori Society Inc. Debbie Mather

Debbie Mather

Highest compensated employee

Business Manager at Wisconsin Montessori Society Inc.

Fiscal year ended June 30, 2025. Published on January 25, 2026.

$134,952

2025

Total compensation

Debbie Mather has been listed as an employee of Wisconsin Montessori Society Inc. in Form 990 filings since fiscal year 2025.

Annual compensation details

$134,952

Business Manager

2025

$123k

47 hrs/wk

$13k

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Total compensation by year

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January 25, 2026:

2025 Wisconsin Montessori Society Inc. 990 published

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2025

Other employees at Wisconsin Montessori Society Inc.

Monica van Aken 7124 - 63025

Head of School

$239,091

$228,063 No related comp$11,028

David Swanson 5125 - 63025

Head of School

$91,742

$80,656 No related comp$11,086

Rob Dejong

Treasurer

$0

Christian Walters

Secretary

$0

Kathleen O'Brien

Vice President

$0

Katherine Lewis

President

$0

Other people named Debbie Mather

2025

Harvest America Corporation

Debbie Shaw Mather

Boys and Girls Club of Greeneville & Greene County