Emerald Foundation Inc

NEW YORK, NY EIN: 13-3912580

Emerald Foundation Inc is a private foundation based in New York, NY, established in 1998. The foundation operates as a 501(c)(3) tax-exempt organization and focuses on philanthropic grantmaking across education, health care, and scientific research initiatives.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$25.3M

-4.1% YoY

Annual Giving

$1.5M

+10.5% YoY

Grant Count

31

+29.2% YoY

Avg Grant Size

$50K

-14.4% YoY

Under IRS private-foundation payout rules, Emerald Foundation Inc reported a distributable amount of $1.4M for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation primarily funds research using tumor organoid and mouse models to investigate how the loss of claudin proteins affects tumor invasion and metastasis through innovative cell biology techniques. Beyond this core research focus, the foundation supports initiatives in:

  • Education and higher education
  • Health care and in-patient medical care
  • Hospital care
  • Diseases and conditions research

Grantmaking

The foundation awarded 24 grants in 2023, with an average grant size of approximately $162 based on available data.

Grant Range

of approximately $162 based on available data.

Average Grant

of approximately $162 based on available data.

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Geographic Focus

Where this funder awards grants

The foundation supports organizations across multiple states and cities, including:

States: California, Florida, Kentucky, Massachusetts, Maryland, New York, Pennsylvania

Cities: Baltimore, Boston, Cambridge, Cocoa Beach, East Guelph, La Jolla, Lexington, Nantes, New York, Pasadena, Philadelphia, San Francisco, Santa Barbara

Grant Distribution by State

9states
+1 more states

Cities

Ann ArborBaltimoreBostonCambridgeChicagoCocoa BeachLa JollaLexingtonNew YorkPasadenaPhiladelphiaSan FranciscoSanta Barbara

Financial History

Multi-year comparison from IRS filings

As of 2023:

  • Total assets: $26,434,742
  • Total revenue: $1,031,630
  • Total expenses: $2,225,249
  • Number of employees: 0

As of 2024:

  • Total assets: $25,345,254
  • Total giving: $1,547,500
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$692K$1M$2M$3M20202021202220232024
Metric202420232022
Total Assets$25,345,254$26,434,742$27,714,621
Revenue$1,391,658$1,031,630$1,280,896
Expenses$2,515,231$2,225,249$2,078,782
Qualifying Distributions$2,012,075$1,797,516$1,644,987
Net Investment Income$893,502$619,879$873,660
Distributable Amount$1,430,960$1,379,008$1,482,159

Giving Over Time

Total grant dollars and number of grants per year

$0$387K$774K$1M$2M10 grants202014 grants202120 grants202224 grants202331 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

MASSACHUSETTS INSTITUTE …$88KUNIVERSITY OF MARYLAND S…$75KMASSACHUSETTS INSTITUTE …$75KUNIVERSITY OF MARYLAND S…$75KNYU SCHOOL OF MEDICINE$75KWEILL CORNELL MEDICINE$75KDANA-FARBER CANCER INSTI…$50KWHITEHEAD INST FOR BIOME…$50KJOHN HOPKINS UNIVERSITY$50KSALK INSTITUTE FOR BIOLO…$50K

Grant Size Distribution

99 grants across all recorded years

31<$50K47$50–100K21$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Massachusetts Institute of Technolo ($87,500), University of Maryland Sch of Medic ($75,000), Massachusetts Institute of Technolo ($75,000).

RecipientPurposeAmount
CALIFORNIA INSITUTE OF TECHNOLOGY PASADENA, CATo develop interpretable machine learning methods that link spatial phenotypes in imaging data of solid tumors with patient outcomes.$37,500
JOHN HOPKINS UNIVERSITY BALTIMORE, MDTo use tumor organoid and mouse models to determine how loss of claudin proteins impacts tumor invasion and metastasis.$37,500
DANA-FARBER CANCER INSTITUTE BOSTON, MATo map the transcriptional and protein changes induced by lactate and identify the mechanisms that cause NK suppression, on both NK and tumor cells, using high-throughput and unbiased approaches.$50,000
UNIVERSITY OF MARYLAND SCH OF MEDIC BALTIMORE, MDTO INVESTIGATE THE REGULATION OF TREG LYMPHATIC TUMOR MIGRATION AND THE INTERACTION AMONG TREGS, LYMPHATIC ENDOTHELIAL CELLS, AND TUMORS TO DEVELOP STRATEGIES OF DELIVERING TARGETED THERAPIES LOCALLY INSTEAD OF SYSTEMICALLY.$75,000
MASSACHUSETTS INSTITUTE OF TECHNOLO CAMBRIDGE, MATo enhance nanoparticle accumulation in desired cell types to develop more effective and safer targeted nanotherapies.$75,000
UNIVERSITY OF MARYLAND SCH OF MEDIC BALTIMORE, MDTo investigate the regulation of Treg lymphatic tumor migration and the interaction among Tregs, lymphatic endothelial cells, and tumors to develop strategies of delivering targeted therapies locally instead of systemically.$75,000
WEILL CORNELL MEDICINE NEW YORK, NYTo characterize exosomes from nave and tumor-educated platelets and determine their contribution to metastatic dormancy and recurrence.$37,500
FOX CHASE CANCER CENTER PHILADELPHIA, PATo investigate the role of Brg1-dependent epigenetic regulation on PDAC fibroblast pro-tumorigenic functions.$37,500
WHITEHEAD INST FOR BIOMEDICAL RESEA CAMBRIDGE, MATo uncover the set of cell-surface proteins that mediate essential interactions between PDAC cells and their microenvironment.$50,000
JOHN HOPKINS UNIVERSITY BALTIMORE, MDTo investigate how the colon microbiota and host genetics intersect to alter responsiveness to immunotherapy in colorectal cancer.$50,000

Leadership & Key People

Leadership team and compensation from IRS filings

  • Andrew W. Heymann – President/Director
  • James P. Mahaffey – Vice President
  • William Blum – Treasurer
  • Luca Cantelli – Director
  • Erika Kellerhals – Director

Compensation Overview

From 2024 IRS filing

JAMES P MAHAFFEYVice President$125K

From 2024 filing

NameTitleHoursCompensation
JAMES P MAHAFFEYVice President40$125,000
ANDREW W HEYMANNPres/director8
LUCA CANTELLIDirector0.5
WILLIAM BLUMTreasurer6
ERIKA KELLERHALSDirector0.5

Recent News & Activity

Recent developments and announcements

The foundation has been active in supporting cancer research and biomedical innovation, with recent grants focused on advancing understanding of tumor biology and developing novel therapeutic approaches through targeted research initiatives.

Rett Syndrome Research Trust Awards $1.1 Million to Emerald Innovations to

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does Emerald Foundation Inc fund?

The foundation primarily funds research using tumor organoid and mouse models to investigate how the loss of claudin proteins affects tumor invasion and metastasis through innovative cell biology techniques. Beyond this core research focus, the foundation supports initiatives in: • Education and higher education • Health care and in-patient medical care • Hospital care • Diseases and conditions research

How do I apply for a grant from Emerald Foundation Inc?

**Grant Activity:** • Total giving: $1,547,500 (2024) • Typical award range: $5,000–$150,000 • Recent grants awarded include $100,000 to Dana-Farber Cancer Institute for research on transcriptional and protein changes induced by lactate and NK cell suppression, and $75,000 to Datma for nanoparticle accumulation research in targeted nanotherapies **Grant Volume:** The foundation awarded 24 grants in 2023, with an average grant size of approximately $162 based on available data.

Where does Emerald Foundation Inc make grants?

The foundation supports organizations across multiple states and cities, including: **States:** California, Florida, Kentucky, Massachusetts, Maryland, New York, Pennsylvania **Cities:** Baltimore, Boston, Cambridge, Cocoa Beach, East Guelph, La Jolla, Lexington, Nantes, New York, Pasadena, Philadelphia, San Francisco, Santa Barbara

What size grants does Emerald Foundation Inc award?

In 2024, Emerald Foundation Inc awarded 31 grants totaling $1.5M — an average of about $50K per grant, based on its IRS Form 990 filings.

How much is Emerald Foundation Inc required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Emerald Foundation Inc reported a distributable amount of $1.4M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Emerald Foundation Inc's EIN?

Emerald Foundation Inc's EIN (Employer Identification Number) is 13-3912580. IRS Form 990 filing data is available on this page for 2020–2024.

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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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