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Person · officer / director

Stewart Halpern

Treasurer · Pacific Horticulture Society

Treasurer at Pacific Horticulture Society. Listed as an officer, director, or key employee across 1 organization on the Form 990 record.

Ambiguous identity This name matches 5 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
1
Roles reported
1
Others who share this name
5

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 Treasurer of Pacific Horticulture Society, based in Berkeley, CA.
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

Pacific Horticulture Society Treasurer · $100K revenue · Berkeley, CASINCE 1968, PACIFIC HORTICULTURE SOCIETY IS AN ADVOCATE FOR THE GARDEN AND ITS POWER TO ENRICH PEOPLES LIVES AND INSPIRE ENVIRONMENTAL STEWARDSHIP.Filed FY2024 · Source: Form 990, Part VII

Disambiguation

Other people named Stewart Halpern

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.

S
Stewart Halpern 1 organization · San Diego, CACollectivesun Foundation
S
Stewart Halpern 1 organization · San Diego, CAAmericas Finest Charter School
S
Stewart Halpern 1 organization · Norwich, VTHimalayan Cataract Project INC
S
Stewart Halpern 1 organization · San Diego, CACitizens Coordinate for Century III
S
Stewart Halpern 1 organization · New York, NYYale Alumni Nonprofit Alliance INC

Network

Serves alongside

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

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Executive Dir. · FY2024
$38K
D
Interim Chair · FY2024
A
Vice Chair · FY2024
F
Secretary · FY2024
J
Board Member · FY2024
N
Board Member · FY2024
R
Board Member · FY2024
B
Board Member · FY2024
A
Board Member · FY2024
S
Board Member · FY2024
E
Board Member · FY2023
R
Board Member · FY2023

Network

Recommendations

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Explore

Similar organizations

Nonprofits working in the same field — explore who else operates in this space.

The Pennsylvania Horticultural Society$40.9M revenue · Philadelphia, PA
Horticultural Society of New York INC$14.1M revenue · New York, NY
Urban Tilth$13.8M revenue · Richmond, CA
Fairchild Tropical Botanic Garden$13.3M revenue · Miami, FL

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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