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EIN 23-7441901

G Harold and Leila Mathers Charitable Foundation

IRS 501(c) type
501(c)(3)
Num. employees
7
City
Rye Brook
State
New York
Year formed
1975
Most recent tax filings
2022-12-01
NTEE code, primary
T20: Private Foundations
Description
We primarily interested in supporting fundamental basic research in the life sciences. Support is provided for specific projects from established researchers at top universities and independent research institutions within the United States.
Also known as...
The G Harold and Leila Y Mathers Charitable Foundation
Total revenues
$20,904,966
2022
Total expenses
$23,366,307
2022
Total assets
$96,422,457
2022
Num. employees
7
2022

Grants made by G Harold and Leila Mathers Charitable Foundation

GranteeGrant descriptionAmount
Columbia UniversityResearch Project$532,609
Massachusetts Institute of Technology (MIT)Research Project$321,540
The Rockefeller UniversityResearch Project$308,334
...and 52 more grants made totalling $10,955,815

Personnel at G Harold and Leila Mathers Charitable Foundation

NameTitleCompensation
Zachary HandelmanTreasurer and Director of Operations$205,000
Richard A HandelmanPresident$50,000
Howard ChesterDirector and Executive Director$425,000

Financials for G Harold and Leila Mathers Charitable Foundation

RevenuesFYE 12/2022
Total grants, contributions, etc.$0
Investment income and dividends$7,729,839
Net rental income$0
Net gain from sale of non-inventory assets$5,764,901
Gross sales of inventory$0
Miscellaneous revenues$7,410,226
Total revenues$20,904,966

Form 990s for G Harold and Leila Mathers Charitable Foundation

Fiscal year endingDate received by IRSFormPDF link
2022-122023-11-15990PFView PDF
2021-122022-11-14990PFView PDF
2020-122022-04-20990PFView PDF
2020-122021-10-29990PFView PDF
2020-122021-10-05990PFView PDF
...and 9 more Form 990s
Data update history
December 26, 2023
Posted financials
Added Form 990PF for fiscal year 2022
November 25, 2023
Posted financials
Added Form 990PF for fiscal year 2021
May 23, 2023
Used new vendors
Identified 1 new vendor, including
February 3, 2023
Posted financials
Added Form 990PF for fiscal year 2020
July 12, 2022
Used new vendors
Identified 2 new vendors, including , and
Nonprofit Types
Grantmaking organizationsPrivate foundationsPrivate non-operating foundationsCharities
Issues
No issues found
Characteristics
Provides grantsPartially liquidatedTax deductible donations
General information
Address
800 Westchester Ave N-503
Rye Brook, NY 10573
Metro area
New York-Newark-Jersey City, NY-NJ-PA
Website URL
mathersfoundation.org/ 
Phone
(914) 242-0465
IRS details
EIN
23-7441901
Fiscal year end
December
Taxreturn type
Form 990-PF
Year formed
1975
Eligible to receive tax-deductible contributions (Pub 78)
Yes
Categorization
NTEE code, primary
T20: Private Foundations
NAICS code, primary
813211: Grantmaking Foundations
Parent/child status
Independent
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