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Person · officer / director

Mark Heising

Chair of the Board & President · Hsaf

Chair of the Board & President at Hsaf. Listed as an officer, director, or key employee across 2 organizations on the Form 990 record.

Ambiguous identity This name matches 2 other individuals we could not verify as the same person. Each is kept as a separate record below — treat them as distinct people unless an explicit match is confirmed.
Organizations
2
Roles reported
2
Others who share this name
2

Who this is

Profile

Everything on the left is verified from the IRS filings. The biography on the right is compiled from public web sources and grounded to that filed record.

✓ Verified from filings
Reported as Chair of the Board & President of Hsaf, based in Los Altos, CA.
Also listed as Vice Chair of The Heising-Simons Action Fund, uncompensated.
Facts extracted directly from each organization's Form 990, Part VII.
Biography In progress
We're building a sourced biography for every person — from filings, news, and public records, citing where each fact comes from. Person-name searches are our single largest source of demand, so this is what we're shipping next.

Affiliations

Organizations

Linked as the same person by IRS Schedule R, a shared officer mailing address, or shared fellow board members.

The Heising-Simons Action Fund Vice Chair · $14.7M revenue · San Francisco, CAPROMOTE ADVANCEMENTS IN EARLY EDUCATION, SCIENCE, CLIMATE AND HUMAN RIGHTS.Filed FY2024, FY2023, FY2022, FY2021, FY2020 · Source: Form 990, Part VII
H
Hsaf Chair of the Board & President · Los Altos, CAPROMOTE ADVANCEMENTS IN EARLY EDUCATION, SCIENCE, CLIMATE AND HUMAN RIGHTS.Filed FY2020 · Source: Form 990, Part VII

Disambiguation

Other people named Mark Heising

Different individuals who share this name, separated by IRS Schedule R, mailing address, and shared-board evidence. The 990 carries no person identifier, so some may still be the same person.

M
Mark Heising 1 organization · New York, NYNick Simons Foundation International
M
Mark Heising 1 organization · Princeton, NJInstitute for Advanced Study - Louis Bamberger & Mrs Felix Fuld Foundation

Network

Serves alongside

Other officers, directors & key employees at this person's organizations, by latest reported compensation.

A
Program Director · FY2024
$96K
D
Program Director · FY2020
$29K
B
Program Director · FY2024
$23K
S
President & CEO (thru 7/24/24) · FY2024
$23K
J
Sec (thru 7/8/24), Interim CEO/Pres · FY2024
$22K
R
Program Director · FY2023
$15K
J
Treasurer (thru 7/13/23) · FY2023
$13K
K
Chief Financial Officer/Treasurer · FY2024
$12K
J
Treasurer (thru 1/7/24), Finance Dir · FY2024
$12K
J
Director, Finance · FY2021
$10K
B
Communications Director · FY2024
$8K
C
Special Initiatives · FY2024
$7K

Network

Recommendations

Written by other verified members of the network — visible once you're a verified person yourself.

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Public data from IRS Form 990 e-file & the Business Master File. Individuals appear here because they were named as an officer, director, or key employee on a nonprofit's Form 990; people are grouped by name plus corroborating evidence (Schedule R, shared address, shared board members). · philanthropy.org