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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 Sioux Falls Development Foundation Inc. Lon Clemenson

Lon Clemenson

Highest compensated employee

Vice President - LEFT 11/2017 at Sioux Falls Development Foundation Inc.

Fiscal year ended September 30, 2018. Published on January 24, 2026.

$134,821

2018

Total compensation

Lon Clemenson has been listed as an employee of Sioux Falls Development Foundation Inc. in Form 990 filings since fiscal year 2018.

Annual compensation details

$134,821

Vice President - LEFT 11/2017

2018

$118k

40 hrs/wk

$18k

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Total compensation by year

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Revisions to this profile

January 24, 2026:

2018 Sioux Falls Development Foundation Inc. 990 published

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2018

Other employees at Sioux Falls Development Foundation Inc.

Slater Barr

President/Ceo - LEFT 11/2017

$325,212

$284,886 No related comp$40,326

Dean Dziedzic

Vice President

$157,730

$140,346 No related comp$17,384

Bob Mundt

President/Ceo - Joined 7/2018

$0