Private Foundation

TANDEM PHILANTHROPIES FKA THE ARK FOUNDATION

TANDEM PHILANTHROPIES FKA THE ARK FOUNDATION, of MENLO PARK, CA, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2024 filing shows $13.6M in revenue, $4.5M in expenses, $74.0M in total assets. IRS filings disclose 26 grants awarded by this foundation, totaling roughly $9.0M.

EIN: 384055324 MENLO PARK, CA Latest filing: 2024

Total Revenue$13.6M

Total Expenses$4.5M

Total Assets$74.0M

Grants Given26

Grant Total$9.0M

Filing Years2019–2024

Sample Grants Given

UNITED STATES ENERGY FOUNDATION

SAN FRANCISCO, CA · 2024

TO PROVIDE GENERAL SUPPORT

$750,000

HEALTH CARE WITHOUT HARM

RESTON, VA · 2024

TO PROVIDE GENERAL SUPPORT

$500,000

CERES

BOSTON, MA · 2024

TO PROVIDE GENERAL SUPPORT

$500,000

ARIZONA STATE UNIVERSITY FOUNDATION

TEMPE, AZ · 2024

TO PROVIDE GENERAL SUPPORT

$500,000

SILICON SCHOOLS FUND INC

OAKLAND, CA · 2024

TO PROVIDE GENERAL SUPPORT

$500,000

Showing up to 5 of 26 total records — full history available with membership.

Officers & Directors

DIRECTOR, SECRETARY, AND CEO David L Sze

DIRECTOR AND CFO Kathleen M Donohue

AUDIT COMMITTEE MEMBER Zachary Herlick

Officer compensation and complete director data available with membership.

Top Grant Purposes

TO PROVIDE GENERAL SUPPORT

$9,035,800 26 grants

Financial Trends

Year	Revenue	Expenses	Assets
2024	$13.6M	$4.5M	$74.0M
2023	$47.1M	$3.2M	$68.7M
2022	$4.9M	$1.2M	$32.9M
2020	$1.3M	$1.1M	$21.6M
2019	$680K	$701K	$22.0M

Between 2019 and 2024, reported annual revenue grew from $680K to $13.6M (+1905%), with total assets most recently reported at $74.0M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in AZ, CA, MA, NY, OH, VA.

AZCAMANYOHVA

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for TANDEM PHILANTHROPIES FKA THE ARK FOUNDATION

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Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports