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Organizations Environmental Quality, Protection & Beautification Open Space Institute Inc.

Open Space Institute Inc.

Fiscal year ending 2023. Filed on November 1, 2024.

1370 Broadway 5th Floor
New York, New York 10018

Open Space Institute Inc. (EIN: 52-1053406) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2023 IRS Form 990 filing, Open Space Institute Inc., a 501(c)(3) charitable organization, reported compensation for 23 out of 82 total employees. Among the employees shown here, the average compensation is $259,023. The highest compensated employee at Open Space Institute Inc. is Christopher J Elliman with fiscal year 2023 compensation of $636,853.

Revenue, expenses, and employee compensation

Revenue

$5,880,714

Expenses

$6,178,116

Employee compensation

$1,412,146
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Christopher J Elliman
President and Chief Executive Officer
$636,853
$575,272 No related comp$61,581
Tally Blumberg
Executive Vice President
$423,215
$367,462 No related comp$55,753
Nathan Berry
Chief LAND, Protection Officer
$386,087
$346,337 No related comp$39,750
Garraud Etienne
Chief Operation Officer (Outgoing)
$347,903
$320,090 No related comp$27,813
Eileen Larabee
Chief External Affairs Officer
$330,064
$273,869 No related comp$56,195
Lesley Kane Szynal
Director of Outdoors America
$319,753
$307,753 No related comp$12,000
Samayla Deutch
Senior Vice President and General Counsel
$310,324
$272,209 No related comp$38,115
Alice Gleason
Senior Vice President for Finance and CFO
$288,640
$261,212 No related comp$27,428
Robert K Anderberg
Senior Vice President and General Counsel
$282,553
$240,652 No related comp$41,901
Lorijeane Moody
Senior Vice President of Development (Outgoing)
$280,550
$228,569 No related comp$51,981
Kathleen Moser
Chief Conservation/Policy Officer
$279,960
$267,960 No related comp$12,000
Jeffrey Lejava
Vice President and Associate General Counsel
$267,841
$223,038 No related comp$44,803

Benchmark Employee Compensation

Non-Employee Board Members

Amelia Salzman
Co-Chairperson of the Board
Anson Frelinghuysen
Member
Carol Ash
Vice-Chairperson of the Board
Carolyn Niemczyk
Member
Dale S Bryk
Member
Douglas Bateson
Member
Elizabeth Borden
Member
Gilman S Burke
Former Member
Giorgios Vlamis
Member
Holly Hegener
Member
Hume R Steyer
Secretary
John Ernst
Member

Contractors

Tahawus Trails LLC
Construction
$332,203
Haynsworth Sinkler Boyd PA
Legal
$180,959
Alan Front
Consulting
$178,372
Cutting Edge Group LLC
Construction
$148,400

Mission Statement

OSI PROTECTS LAND FOR CLEAN DRINKING WATER, PUBLIC RECREATION, HEALTHY COMMUNITIES, AND WILDLIFE HABITAT; AND TO CONSERVE INTACT FORESTS AND FLOODPLAINS THAT CAPTURE AND STORE CARBON AND PROTECT AGAINST INCREASINGLY DANGEROUS WEATHER EVENTS.

Revisions to this organization profile

November 7, 2025:
2024 Open Space Institute Inc. 990 filed
November 1, 2024:
2023 Open Space Institute Inc. 990 filed
November 10, 2023:
2022 Open Space Institute Inc. 990 filed

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