Lawrence a & Joan E Siff Foundation

WORCESTER, MA EIN: 42-1612889

Lawrence a & Joan E Siff Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in WORCESTER, MA. IRS filing data is available from 2019 through 2024. In 2024, it awarded 6 grants totaling $7K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

Annual Giving

$7K

-39.2% YoY

Grant Count

6

-40.0% YoY

Avg Grant Size

$1K

+1.3% YoY

About Lawrence a & Joan E Siff Foundation

Based on IRS filings

Lawrence a & Joan E Siff Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in WORCESTER, MA. IRS filing data is available from 2019 through 2024. In 2024, it awarded 6 grants totaling $7K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

6states

Cities

BOSTONBRIGHTONBROCKTONCHESTNUT HILLCINCINNATICONCORDDANVERSDORCHESTERHINGHAMHYANNISLAKE FOREST PARKLEXINGTONLINCOLNMEDFORDMINNEAPOLISNEEDHAMNEW YORKNEWTONPROVIDENCERANDOLF

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.1201920202021202220232024
Metric202420232022
Total Assets
Revenue
Expenses
Qualifying Distributions
Net Investment Income
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$11K$22K$33K$44K16 grants201912 grants202018 grants202121 grants202210 grants20236 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 6 recipients in 2024

MUSEUM OF SCIENCE$3KTWO TEN INTERNATIONAL FO…$2KFRANCISCAN HOSPITAL FOR …$1KTHE WINDSOR SCHOOL$700TUFTS UNIVERSITY$200MUSEUM OF FINE ARTS$150

Grant Size Distribution

67 grants across all recorded years

67<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
LAWRENCE A SIFFTRUSTEE1
JOAN E SWARTZ-SIFFTRUSTEE1
SHIRLEY S SIFFTRUSTEE1
STEFAN NATHANSONTRUSTEE1

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.

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