Mellen Charitable Fdn (fka Tf Fdn)

BOSTON, MA EIN: 85-3945419

The Mellen Charitable Foundation, formerly known as TF Foundation, is a private foundation based in Boston, Massachusetts. Established in 2021, the foundation operates as a 501(c)(3) organization supported by Neil Mellen. The foundation maintains offices at 31 Saint James Avenue, Suite 740, Boston, MA 02116-4186.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$307.9M

+158.0% YoY

Annual Giving

$35.7M

+537.3% YoY

Grant Count

17

+30.8% YoY

Avg Grant Size

$2.1M

+387.4% YoY

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

Mission & Focus Areas

The foundation's primary funding focus areas include:

  • Philanthropy, Voluntarism & Grantmaking
  • Human Services
  • Health Care
  • Reproductive Health

Grantmaking

The foundation makes grants through a selective process, with recent grant activity showing:

Grant Range

$200,000 to $25,047,906

Average Grant

amount: $2.1 million (2024)

How to Apply

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Geographic Focus

Where this funder awards grants

The foundation's grantmaking focuses primarily on Massachusetts, New York, and Connecticut.

Grant Distribution by State

4states

Cities

BostonBridgeportEast HavenLos AngelesMilfordNew YorkNewtonRoxburySanta MonicaWalthamWoburn

Financial History

Multi-year comparison from IRS filings

Assets & Giving (2024)

  • Total assets: $307,946,189
  • Total annual giving: $35,658,156
  • Total qualifying distributions: $35,907,541

Financial Growth

The foundation has experienced significant growth:

Metric 2024 2023 2022
Total Assets $307,946,189 $119,349,577 $121,311,223
Total Giving $35,658,156 $5,746,834 $5,074,857
Total Revenue $220,762,397 $5,437,727 $2,206,921
Total Expenses $37,827,806 $7,399,373 $5,410,831

Giving Rate

The foundation distributes approximately 4.7% of assets annually and directs approximately 95% of expenses toward charitable disbursements.

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$61M$121M$182M$243M20202021202220232024
Metric202420232022
Total Assets$307,946,189$119,349,577$121,311,223
Revenue$220,762,397$5,437,727$2,206,921
Expenses$37,827,806$7,399,373$5,410,831
Qualifying Distributions$35,907,541$5,746,834$5,074,857
Net Investment Income$3,923,915$2,684,278$2,302,181
Distributable Amount$7,220,593$5,474,953$5,742,788

Giving Over Time

Total grant dollars and number of grants per year

$0$9M$18M$27M$36M0 grants20204 grants202111 grants202213 grants202317 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

JEROME AVENUE FUND CO TH…$25.0MDANA-FARBER INC$4.1MUPSTREAM USA$1.0MSOCIAL FINANCE$1.0MYEAR UP INC$540KFOCUSING PHILANTHROPY$537KYOUTH VILLAGES$500KMILFORD PUBLIC SCHOOLS$446KST VINCENT'S MEDICAL CEN…$425KWALTHAM PUBLIC SCHOOLS$403K

Grant Size Distribution

45 grants across all recorded years

<$50K$50–100K4$100–250K20$250–500K15$500K–1M5$1–5M1$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Leadership team and compensation from IRS filings

The foundation is led by three board members, all serving in unpaid capacities:

  • Neil Mellen — Chair, Director
  • Michael Eisenson — President, Director (5 hours per week)
  • Jane Goldstein — Treasurer, Secretary, Director

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
MICHAEL EISENSONPRESIDENT, DIRECTOR5
NEIL MELLENCHAIR, DIRECTOR1
JANE GOLDSTEINTREASURER, SECRETARY, DIRECTOR1

Subject Areas

Focus areas based on grantmaking activity

Related Funders

Similar funders by location and focus area

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

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