Mann Medical Research Organization

Private foundation · Grantmaker San Fernando, CA EIN: 20-1002571

Mann Medical Research Organization is a private foundation focused on Medical Research, based in San Fernando, CA. IRS filing data is available from 2019 through 2024. As of 2024, the organization holds $50.5M in total assets. In 2024, it awarded 2 grants totaling $2.1M. Net investment income was $1.9M.

Key facts about Mann Medical Research Organization

In short: Mann Medical Research Organization gave $2.1M across 2 grants in 2024 (avg $1.0M), mostly in California. Source: 2024 IRS Form 990-PF.

EIN
20-1002571
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$2,075,000
Grants made (2024)
2
Average grant
$1,037,500
Median grant
$1,037,500
Total assets
$50,492,245
Primary geography
California (96% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$50.5M

+7.8% YoY

Annual Giving

$2.1M

+66.3% YoY

Grant Count

2

-66.7% YoY

Avg Grant Size

$1.0M

+399.0% YoY

Under IRS private-foundation payout rules, Mann Medical Research Organization reported a distributable amount of $470K for 2024 — the minimum it must pay out in qualifying distributions.

How Mann Medical Research Organization gives

  • Giving grew 1560% from 2021 to 2024. Method
  • In 2024 it paid out 463% of its IRS minimum distribution (the 5% rule). Method

From the foundation's IRS Form 990 filings. Methodology.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of 2024 grant dollars across all 2 itemized grants.

Cities

Los AngelesWellesley HillsBeverly HillsReseda

Giving Over Time

Total grant dollars and number of grants per year

$0$1M$2M$3M2 grants2019 6 grants2020 2 grants2021 4 grants2022 6 grants2023 2 grants2024

From 2019 to 2024, annual grant giving ranged from $125K (2019) to $2.1M (2024). In 2024 it made 2 grants totaling $2.1M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2024

University of Southern California: $2.0MUniversity of SouthernCalifornia$2.0MCure Alzheimer's Fund: $75KCure Alzheimer's Fund$75K

The largest 2024 recipient was University of Southern California ($2.0M). Together the top 2 received $2.1M.

Grant Size Distribution

20 grants across all recorded years

9<$50K6$50–100K2$100–250K$250–500K2$500K–1M1$1–5M$5M+

The most common grant size was under $50K: 9 grants of 20 (45%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
University of Southern California Los Angeles, CASupport of usc cardiac and vascular institute at keck medicine of usc.$2,000,000
Cure Alzheimer's Fund Wellesley Hills, MAGeneral Operation Support$75,000

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$10M$20M$30M2019 2020 2021 2022 2023 2024
Metric202420232022
Total Assets$50,492,245$46,840,025$44,372,004
Revenue$5,659,609$2,558,669$1,062,049
Expenses$10,421,082$579,741$2,182,244
Qualifying Distributions$2,179,592$1,357,492$1,038,472
Net Investment Income$1,913,149$2,375,008$865,672
Distributable Amount$470,251$2,221,214$2,221,643

Data update history

When this profile's IRS filing data changed on Grantable

  1. Added Form 990 for fiscal year 2019 (received by the IRS May 28, 2020)
  2. Updated Form 990 for fiscal year 2020 (received by the IRS May 7, 2021)
  3. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Officers and directors from IRS filings

Mann Medical Research Organization is led by Michael S. Dreyer, Director & President on every filing since 2019; 2 of 3 officers listed in 2024 are compensated.

Officers on the 2024 filing

  • Michael S. Dreyer

    Director & President

    On filings since 2019

    8 hrs/week

    $19K (2022) → $79K (2024)

  • Anoosheh Bostani

    Director, Treasurer & Secretary

    On filings since 2019

    8 hrs/week

    $13K (2022) → $68K (2024)

  • Claude Mann

    Director

    On filings since 2019

    No compensation reported

Data from IRS Form 990 filings, 2019–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2024 IRS filing

Michael S Dreyer — Director, President: $79KMichael S DreyerDirector, President$79KAnoosheh Bostani — Director, Treasurer& Secretary: $68KAnoosheh BostaniDirector, Treasurer& Secretary$68K

The highest reported compensation on the 2024 filing was $79K, to Michael S Dreyer (Director, President). 2 officers or directors reported compensation on that filing.

Frequently asked questions about Mann Medical Research Organization

How much does Mann Medical Research Organization give each year?

Mann Medical Research Organization gave $2.1M across 2 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $1.2M across 6 grants.

How large is Mann Medical Research Organization?

Mann Medical Research Organization reported $50.5M in total assets on its 2024 IRS Form 990-PF. It paid out $2.2M in qualifying distributions that year, against a required minimum of $470K (roughly 5% of its investment assets).

What is Mann Medical Research Organization?

Mann Medical Research Organization is a private foundation focused on Medical Research, based in San Fernando, CA. It holds $50.5M in total assets as of 2024.

Where does Mann Medical Research Organization operate?

Mann Medical Research Organization has awarded grants in California, Massachusetts.

What is Mann Medical Research Organization's EIN?

Mann Medical Research Organization's EIN (Employer Identification Number) is 20-1002571. IRS Form 990 filing data is available on this page for 2019–2024.

Data last updated September 2026. Sourced from IRS Form 990 filings.

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