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Person · officer / director

Mark Greenwald

Secretary · Greenwich Tree Conservancy INC

Secretary at Greenwich Tree Conservancy INC. Listed as an officer, director, or key employee across 2 organizations on the Form 990 record.

Ambiguous identity This name matches 1 other individual 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
1

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 Secretary of Greenwich Tree Conservancy INC, based in Greenwich, CT.
●
Also listed as Director of Greenwich Green and Clean INC, 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.

Greenwich Tree Conservancy INC Secretary · $333K revenue · Greenwich, CTTO PRESERVE AND ENHANCE THE TREE AND FOREST RESOURCES OF GREENWICH, CT TO BENEFIT THE COMMUNITY.Filed FY2025, FY2024, FY2023, FY2022, FY2021, FY2020 · Source: Form 990, Part VII
Greenwich Green and Clean INC Director · $124K revenue · Greenwich, CTBEAUTIFICATION OF TOWN, ENVIRONMENTAL EDUCATION, SUPERVISION AND COORDINATION OF VOLUNTEERS AND YOUTH COMMUNITY SERVICE PROGRAMS.Filed FY2025, FY2024 · Source: Form 990, Part VII

Disambiguation

Other people named Mark Greenwald

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 Greenwald 1 organization · Tallahassee, FLFlorida Network of Youth and Family Services INC

Network

Serves alongside

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

K
Executive Director · FY2025
$75K
K
Executive Director · FY2025
$40K
J
Executive Director, Thru Feb. 2024 · FY2024
$9K
J
Chairman · FY2025
C
VP, Finance · FY2025
S
Secretary · FY2025
A
Director · FY2025
S
Director · FY2025
C
Director · FY2025
T
Director · FY2025
Y
Director · FY2025
G
Director · FY2025

Network

Recommendations

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Explore

Similar organizations

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

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The Conservation Fund a Nonprofit Corporation$329.4M revenue · Arlington, VA
Conservation International Foundation$308.7M revenue · Arlington, VA
Windward Fund$308.2M revenue · Washington, DC
Natural Resources Defense Council INC$248.9M revenue · New York, NY
B
Berger Action Fund INC$206.5M revenue · Washington, DC

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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