Fiscal year ending 2021. Filed on November 16, 2022.
Foundation Source 501 Silverside Rd
Wilmington, Delaware 19809
Gustavus and Louise Pfeiffer Research Foundation (EIN: 13-6086299) has filed an IRS Form 990 since fiscal year 2020. In its fiscal year 2021 IRS Form 990 filing, Gustavus and Louise Pfeiffer Research Foundation, a 501(c)(3) charitable organization, reported compensation for 7 employees. Among the employees shown here, the average compensation is $5,400. The highest compensated employee at Gustavus and Louise Pfeiffer Research Foundation is Matthew Mayro Keeney with fiscal year 2021 compensation of $5,400.
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Employee compensation
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