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TANDEM PHILANTHROPIES

MENLO PARK, CA 384055324

Tandem Philanthropies, based in Menlo Park, CA, is a well-funded philanthropic organization with $68.7 million in assets, focusing on philanthropy and foundations, and supporting initiatives across several U.S. cities and states.

Overview

About TANDEM PHILANTHROPIES

Tandem Philanthropies is a philanthropic organization based in Menlo Park, California, with significant financial resources, holding assets of approximately $68.7 million. The foundation's annual expenses are around $3.2 million, while it generates a revenue of about $47.1 million. The organization focuses on philanthropy and foundations, funding initiatives in various cities across the United States, including Berkeley, Boston, Cambridge, Cincinnati, New York, Redwood City, Reston, San Francisco, and Tempe. It operates in several states such as Arizona, California, Massachusetts, New York, Ohio, and Virginia. The leadership team includes David L. Sze, who serves as the Director, Secretary, and CEO, Kathleen M. Donohue as the Director and CFO, and Zachary Herlick as an Audit Committee Member. Notably, the key personnel work part-time and do not receive compensation for their roles.

Focus areas

PhilanthropyFoundations

Geographic focus

AZCAMANYOHVA
Application Status

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Average Grant Size

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Sample Match Score

Example compatibility analysis for demonstration purposes

Match Score measures the compatibility between your organization and this funder based on focus areas alignment (92%), geographic location preferences (85%), previous grantees similarity (88%), grant size match (78%), application process compatibility (73%), and timeline compatibility (80%).

87%
Excellent compatibility match
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Key statistics
Total Assets $68.7M
Total Awarded This Year $2.8M
Average Grant Size $344K
Total Grants (Previous Year) 1,248
Open to New Applicants
false
% New Applicants Funded
0%
Contact information
MENLO PARK, CA, US
Geographic Funding Distribution

Financials

Total assets
$68,741,470

in 2024, compared to $32,930,878 in 2023

Annual grants
$2,750,800

8 grants awarded in 2024

Program expenses
85%

Of total expenses go to programs

Annual grant distribution
Revenue vs expenses
Assets over time

Grants

Grant awards
PurposeLocation
$1,500,000FIDELITY CHARITABLE GIFT FUNDTO PROVIDE GENERAL SUPPORTPO BOX 770001 CINCINNATI, OH US2022
$600,000ARIZONA STATE UNIVERSITY FOUNDATIONTO PROVIDE GENERAL SUPPORTPO BOX 2260 TEMPE, AZ US2024
$500,000UNITED STATES ENERGY FOUNDATIONTO PROVIDE GENERAL SUPPORT301 BATTERY STREET 5TH FLOOR SAN FRANCISCO, CA US2023
$500,000UNITED STATES ENERGY FOUNDATIONTO PROVIDE GENERAL SUPPORT55 SECOND STREET SUITE 2400 SAN FRANCISCO, CA US2024
$350,000EDUCATORS FOR EXCELLENCE INCTO PROVIDE GENERAL SUPPORT80 PINE STREET 28TH FLOOR NEW YORK, NY US2024
$300,000ALDER GRADUATE SCHOOL OF EDUCATIONTO PROVIDE GENERAL SUPPORT2946 BROADWAY STREET SUITE B REDWOOD CITY, CA US2024
$250,800CERESTO PROVIDE GENERAL SUPPORT99 CHAUNCY STREET 6TH FLOOR BOSTON, MA US2024
$250,000ACTIVATE GLOBAL INCTO PROVIDE GENERAL SUPPORT2600 TENTH STREET SUITE 300 BERKELEY, CA US2023
$250,000PRIME COALITION INCTO PROVIDE GENERAL SUPPORT625 MASSACHUSETTS AVENUE 2ND FLOOR CAMBRIDGE, MA US2023
$250,000ACTIVATE GLOBAL INCTO PROVIDE GENERAL SUPPORT2600 TENTH STREET SUITE 300 BERKELEY, CA US2024
14 row(s) total.

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People

Leadership & staff

Compensation data from most recent available 990 forms

Title
DLS
DAVID L SZE
DIRECTOR, SECRETARY, AND C$02022
KMD
KATHLEEN M DONOHUE
DIRECTOR AND CFO$02022
ZH
ZACHARY HERLICK
AUDIT COMMITTEE MEMBER$02022
DLS
DAVID L SZE
DIRECTOR, SECRETARY, AND C$02023
KMD
KATHLEEN M DONOHUE
DIRECTOR AND CFO$02023
ZH
ZACHARY HERLICK
AUDIT COMMITTEE MEMBER$02023
DLS
DAVID L SZE
DIRECTOR, SECRETARY, AND CEO$02024
KMD
KATHLEEN M DONOHUE
DIRECTOR AND CFO$02024
ZH
ZACHARY HERLICK
AUDIT COMMITTEE MEMBER$02024
9 row(s) total.

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Page 1 of 1

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Financial data sourced from IRS 990 forms via ProPublica Nonprofit Explorer

View on ProPublica Nonprofit Explorer

Last updated on August 25, 2025