Private Foundation

Gustavus and Louise Pfeiffer Research Foundation

Based in Wilmington, DE, Gustavus and Louise Pfeiffer Research Foundation operates as a Private Foundation. The organization reported $1.6M in revenue, $849K in expenses, $19.6M in total assets for fiscal year 2024. Imperigo tracks 17 reported grants from this foundation totaling approximately $4.1M.

EIN: 136086299 Wilmington, DE Latest filing: 2024

Total Revenue$1.6M

Total Expenses$849K

Total Assets$19.6M

Grants Given17

Grant Total$4.1M

Filing Years2020–2024

Sample Grants Given

HUNTINGTON MEDICAL RESEARCH INSTITUTES

PASADENA, CA · 2024

To name the Imaging Core located in Room 332 as the "H. Robert Herold II Imaging Core"

$500,000

PFEIFFER UNIVERSITY

MISENHEIMER, NC · 2024

Milton C. Rose Research Scholars

$150,000

OLD MILL FOUNDATION

SAN MARINO, CA · 2024

General & Unrestricted

$1,000

PFEIFFER UNIVERSITY

MISENHEIMER, NC · 2022

Milton C. Rose Research Scholars program

$150,000

STANFORD UNIVERSITY - FINANCIAL AID OFFICE

STANFORD, CA · 2022

The Medical Scholars Research Program (Pfeiffer Fellows) and Pfeiffer Distinguished Visiting Professor Series

$150,000

Showing up to 5 of 17 total records — full history available with membership.

Officers & Directors

Dir Kimberly Herold Alvarez

Dir, Pres Lise P Chapman

Dir, VP Matthew Mayro Keeney

Dir, AS Sec, AS TREAS Patricia R Herold

Dir, Sec, Treas Sarah Sp Mccarthy

Officer compensation and complete director data available with membership.

Top Grant Purposes

Research Program in Brain Heart Connection: Training the next generation of biomedical researchers

$2,400,000 2 grants

To name the Imaging Core located in Room 332 as the "H. Robert Herold II Imaging Core"

$500,000 1 grant

Milton C. Rose Research Scholars program

$300,000 2 grants

Pfeiffer Foundation Endowed Scholarship fund for First Gen/Low Income Students in Bio-Engineering or Bio-Medical Engineering

$200,000 4 grants

Milton C. Rose Research Scholars

$150,000 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2024	$1.6M	$849K	$19.6M
2023	$934K	$188K	$17.9M
2022	$1.2M	$597K	$15.5M
2020	$2.3M	$2.6M	$21.8M

Between 2020 and 2024, reported annual revenue declined from $2.3M to $1.6M (-28%), with total assets most recently reported at $19.6M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in CA, CT, ME, MO, NC, NJ.

CACTMEMONCNJ

Full geographic grant map with state-by-state breakdown available with membership.

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