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Person · officer / director

Duncan Sahner

Chair · Planting Fields Foundation

Chair at Planting Fields Foundation. Listed as an officer, director, or key employee across 1 organization on the Form 990 record.

Ambiguous identity This name matches 3 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
3

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 Planting Fields Foundation, based in Oyster Bay, NY.
Facts extracted directly from each organization's Form 990, Part VII.
Biography Web-sourced

Duncan Sahner serves as the Secretary for TUMAINI TANZANIA, a role he held from 2023 to 2024 according to IRS 990 records. He is a member of Tumaini Tanzania's U.S.-based Board of Directors.

Sahner has a long history with the organization, having made at least eight trips to Tanzania by 2018 since the organization's formation in 2007, demonstrating a deep and sustained commitment to its mission.

Compiled from public web sources (2 cited), grounded to the filed record.

Track record

Career & tenure

Real tenure, career, and education — from public web sources, what you need to vet a founder or leader beyond the filing window.

Tenure here
2023–2024

Affiliations

Organizations

Planting Fields Foundation Chair · $1.7M revenue · Oyster Bay, NYTO PRESERVE AND MAKE RELEVANT TO ALL AUDIENCES THE HERITAGE OF PLANTING FIELDS ARBORETUM STATE HISTORIC PARK, AN EARLY 20TH CENTURY LONG ISLAND GOLD…Filed FY2024, FY2023 · Source: Form 990, Part VII

Disambiguation

Other people named Duncan Sahner

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.

D
Duncan Sahner 1 organization · New York, NYAvail Nyc
D
Duncan Sahner 1 organization · New York, NYHorticultural Society of New York INC
D
Duncan Sahner 1 organization · Falls Church, VATumaini Tanzania

Network

Serves alongside

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

G
President & CEO · FY2024
$315K
A
Vice Chair · FY2024
A
Treasurer · FY2024
M
Secretary · FY2024
B
Trustee · FY2024
H
Trustee · FY2024
S
Trustee · FY2024
D
Trustee · FY2024
T
Trustee · FY2024
R
Trustee · FY2024
M
Trustee · FY2024
T
Trustee · FY2024

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