The Leslie and Sheila Klein is a private foundation focused on Medical Research, based in NEW CANAAN, CT. IRS filing data is available from 2022 through 2024. As of 2024, the organization holds $5.9M in total assets. In 2024, it awarded 2 grants totaling $240K. Net investment income was $71K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$5.9M
+183.5% YoY
Annual Giving
$240K
+77.8% YoY
Grant Count
2
+0.0% YoY
Avg Grant Size
$120K
+77.8% YoY
About The Leslie and Sheila Klein
Based on IRS filings
The Leslie and Sheila Klein is a private foundation focused on Medical Research, based in NEW CANAAN, CT. IRS filing data is available from 2022 through 2024. As of 2024, the organization holds $5.9M in total assets. In 2024, it awarded 2 grants totaling $240K. Net investment income was $71K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $5,924,224 | $2,089,681 | $2,114,191 |
| Revenue | $4,075,877 | $117,889 | $2,219,274 |
| Expenses | $241,334 | $142,399 | $105,083 |
| Qualifying Distributions | $240,000 | $135,000 | $104,500 |
| Net Investment Income | $71,389 | $77,080 | $71,917 |
| Distributable Amount | $118,465 | $109,932 | $102,916 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2024
Grant Size Distribution
7 grants across all recorded years
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
| Name | Title | Hours | Compensation |
|---|---|---|---|
| LESLIE KLEIN | CHAIRPERSON | 0.01 | — |
| SHEILA KLEIN | PRESIDENT | 0.01 | — |
| ADINA KLEIN | DIRECTOR | — | — |
| JASON MCCONNELL | DIRECTOR | — | — |
| ROSS SMALLOWITZ | TREASURER, S | 0.01 | — |
| TODD HOTES | VICE PRESIDE | — | — |
| ROLAND VERA | VICE PRESIDE | — | — |
Subject Areas
Focus areas based on grantmaking activity
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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