Person · officer / director

Ellen Calves

Treasurer · East of Hudson Watershed Corporation

Treasurer at East of Hudson Watershed Corporation. 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

Roles reported

Others who share this name

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

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Reported as Treasurer of East of Hudson Watershed Corporation, based in Patterson, NY.

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Also listed as Trustee of Katonah Museum of Art INC, uncompensated.

Facts extracted directly from each organization's Form 990, Part VII.

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Affiliations

Organizations

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

East of Hudson Watershed Corporation Treasurer · $3.2M revenue · Patterson, NYTHE ENTITY'S PRIMARY PURPOSE IS TO REDUCE THE LEVELS OF PHOSPHORUS IN THE SURFACE WATER OF THE NEW YORK CITY WATERSHED EAST OF THE HUDSON RIVER.Filed FY2025, FY2024 · Source: Form 990, Part VII

Katonah Museum of Art INC Trustee · $2.7M revenue · Katonah, NYTHE KATONAH MUSEUM OF ART PROMOTES THE UNDERSTANDING AND ENJOYMENT OF THE VISUAL ARTS FOR DIVERSE AUDIENCES. THE MUSEUM PRESENTS EXHIBITIONS THAT…Filed FY2021 · Source: Form 990, Part VII

Disambiguation

Other people named Ellen Calves

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.

Ellen Calves 1 organization · Katonah, NYZahren Family Foundation

Network

Serves alongside

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

Michelle Mapplethorpe

Executive Director · FY2023

$238K

Michelle Mapplethorpe Director

& Chief Curator (ed Thru Jan 2025) · FY2024

$233K

Michael Gitlitz

Executive Director · FY2021

$123K

Heather Maxson

Deputy Director · FY2024

$114K

Leslie G Schultz

Executive Director Thru Aug 2022 · FY2022

$96K

Craig Intinarelli

President · FY2024

Richard Zinman

Vice President · FY2024

Secretary · FY2024

Treasurer · FY2024

Trustee · FY2024

Trustee · FY2024

Trustee Thru Dec 2024 · FY2024

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