OPEN SPACE INSTITUTE INC

EIN: 521053406 501(c)(3) Environment

NEW YORK, NY

Total Revenue
$5,880,714
Total Expenses
$6,178,116
Total Assets
$20,160,830
Net Assets
$8,137,193
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Financial Vulnerability Assessment (Tuckman-Chang)

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Financial Trends

Organization Details

Formation Year
1974
Legal Domicile
NY
Principal Officer
ALICE GLEASON
Phone
2122908200
Tax Period
2023-01-01 to 2023-12-31

OPEN SPACE INSTITUTE INC, founded in 1974, is a community nonprofit in the Environment sector that reported $5.9M in total revenue in fiscal year 2023. Revenue surged 175% from the prior year, signaling strong growth momentum.

Mission

OSI AND ITS SUPPORTING ORGANIZATION, OPEN SPACE INSTITUTE LAND TRUST, PROTECTS LAND.

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Trantor Score

Financial Health Score (300–850) · Liquidity · Solvency · Sustainability · Efficiency

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Liquidity (40%) • Solvency (30%) • Sustainability (20%) • Efficiency (10%)

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Financial Overview (2023)

Revenue Breakdown

Contributions & Grants $5,213,964
Program Service Revenue $368,808
Investment Income $254,664
Other Revenue $43,278
TOTAL REVENUE $5,880,714

Expense Breakdown

Grants Paid $3,306,124
Salaries & Benefits $1,412,146
Fundraising Expenses $490,447
Program Expenses $5,118,681
Other Expenses $1,459,846
TOTAL EXPENSES $6,178,116

Year-over-Year Comparison

2023 2022 Change
Revenue $5,880,714 $2,141,539 +1.7%
Expenses $6,178,116 $1,715,812 +2.6%
Net Income $-297,402 $425,727 -1.7%
Key Indicators
Grants to Organizations Grants to Individuals Lobbying Political Activity Foreign Activities Donor Advised Fund Schedule B Required
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Financial Health Indicators

Comprehensive financial analysis: Altman Z-Score, liquidity, solvency, sustainability, efficiency, and growth metrics

Financial Distress Indicator

Liquidity & Cash Position

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Altman Z-Score • Liquidity Ratios • Solvency Analysis • Growth Indicators • Efficiency Metrics

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Governance

Voting Members
25
Independent Members
25
Employees
82
Volunteers
25

Governance Policies

Conflict of Interest Policy
Whistleblower Policy
Document Retention Policy

Special Practices & Reported Activities

Operated a School
Operated a Hospital
Provided First Class Travel
Reported Conflict of Interest
Reported Asset Diversion
Excess Benefit Transaction
Made Political Expenditures
Engaged in Lobbying
Operated Donor Advised Fund
Maintained Art Collections
Filed Form 720

Compensation of Officers, Directors & Key Employees

Total Officers
23
$4,848,142
Total Directors
27
$0
Key Employees
0
$0
Highest Compensated
5
reported
Name Title Hours/Week Role Reportable Comp Other Comp Total
AMELIA SALZMAN CO-CHAIRPERSON OF THE BOARD 3.00
Officer Director
$0 $0 $0
ANSON FRELINGHUYSEN MEMBER 1.00
Director
$0 $0 $0
CAROL ASH VICE-CHAIRPERSON OF THE BOARD 1.00
Officer Director
$0 $0 $0
CAROLYN NIEMCZYK MEMBER 1.00
Director
$0 $0 $0
DALE S BRYK MEMBER 1.00
Director
$0 $0 $0
DOUGLAS BATESON MEMBER 1.00
Director
$0 $0 $0
ELIZABETH BORDEN MEMBER 1.00
Director
$0 $0 $0
GILMAN S BURKE MEMBER (OUTGOING) 1.00
Director
$0 $0 $0
GIORGIOS VLAMIS MEMBER 1.00
Director
$0 $0 $0
HOLLY HEGENER MEMBER 1.00
Director
$0 $0 $0
HUME R STEYER SECRETARY 1.00
Officer Director
$0 $0 $0
JOHN ERNST MEMBER 1.00
Director
$0 $0 $0
JOHN H ADAMS CO-CHAIRPERSON OF THE BOARD 1.00
Officer Director
$0 $0 $0
JOHN P CAHILL MEMBER 1.00
Director
$0 $0 $0
JOSHUA GINSBERG PHD MEMBER (TREASURER JAN-JUN 2023) 1.00
Officer Director
$0 $0 $0
JUDE WU ABEL MEMBER 1.00
Director
$0 $0 $0
KATHERINE O ROBERTS MEMBER 1.00
Director
$0 $0 $0
LEA PAINE HIGHET MEMBER 1.00
Director
$0 $0 $0
LESLIE G KOCH MEMBER (OUTGOING) 1.00
Director
$0 $0 $0
MARJORIE VAN DERCOOK MEMBER 1.00
Director
$0 $0 $0
NICOLE HYLTON-PATTERSON MEMBER 1.00
Director
$0 $0 $0
PATRICIA F SULLIVAN MEMBER 1.00
Director
$0 $0 $0
SAMUEL G HUBER MEMBER 1.00
Director
$0 $0 $0
SUSAN BABCOCK MEMBER 1.00
Director
$0 $0 $0
T JEFFERSON CUNNINGHAM III MEMBER 1.00
Director
$0 $0 $0
THOMAS MCHENRY TREASURER (JUN-DEC 2023) 1.00
Director
$0 $0 $0
YUKI MOORE LAURENTI MEMBER 1.00
Director
$0 $0 $0
ALICE GLEASON SVP FOR FINANCE & CFO 2.00
Officer
$261,212 $27,428 $288,640
CHRISTOPHER J ELLIMAN PRESIDENT AND CEO 2.00
Officer
$575,272 $61,581 $636,853
EILEEN LARABEE CHIEF EXTERNAL AFFAIRS OFFICER 2.00
Officer
$273,869 $56,195 $330,064
GARRAUD ETIENNE CHIEF OPERATION OFFICER (OUTGOING) 2.00
Officer
$320,090 $27,813 $347,903
IRENE LEE VP OF LAND, NORTHEAST 2.00
Officer
$160,366 $57,162 $217,528
JEFFREY LEJAVA VP & ASSOCIATE GENERAL COUNSEL 2.00
Officer
$223,038 $44,803 $267,841
JENNIE GREER SVP OF PHILANTHROPY 2.00
Officer
$78,164 $24,862 $103,026
KATHLEEN MOSER CHIEF CONSERVATION/POLICY OFFICER 2.00
Officer
$267,960 $12,000 $279,960
LORIJEANE MOODY SVP OF DEVELOPMENT (OUTGOING) 2.00
Officer
$228,569 $51,981 $280,550
MARIA WHITEHEAD VP OF LAND, SOUTHEAST 2.00
Officer
$168,349 $54,195 $222,544
MAY MAY CHENG CONTROLLER AND ASSISTANT TREASURER 2.00
Officer
$135,614 $53,681 $189,295
NATHAN BERRY CHIEF LAND, PROTECTION OFFICER 2.00
Officer
$346,337 $39,750 $386,087
NICK RICHARDSON SVP, CAPITAL STRATEGIES 2.00
Officer
$16,957 $3,244 $20,201
PETER HOWELL EXE VP CONSERV CAP. & RE (OUTGOING) 2.00
Officer
$30,515 $1,973 $32,488
PETER KARIS VP, PARKS AND STEWARDSHIP 2.00
Officer
$174,874 $54,196 $229,070
ROBERT K ANDERBERG SVP, GENERAL COUNSEL 2.00
Officer
$240,652 $41,901 $282,553
SAMAYLA DEUTCH SVP, GENERAL COUNSEL 2.00
Officer
$272,209 $38,115 $310,324
TALLY BLUMBERG EXECUTIVE VICE PRESIDENT 2.00
Officer
$367,462 $55,753 $423,215
ABIGAIL WEINBERG DIRECTOR OF RESEARCH 2.00
Highest
$157,889 $48,849 $206,738
BRADFORD BURNS STAFF ATTORNEY 2.00
Highest
$165,356 $0 $165,356
DAVID KIERAN-KAUFMAN STAFF ATTORNEY 2.00
Highest
$152,072 $54,195 $206,267
LESLEY KANE SZYNAL DIRECTOR OF OUTDOORS AMERICA 2.00
Highest
$307,753 $12,000 $319,753
REBEKAH GERARD SENIOR DIRECTOR OF ADMINISTRATION 2.00
Highest
$182,405 $28,877 $211,282
Note: Compensation data is self-reported by the organization on their Form 990. "Reportable Comp" includes salary, bonuses, and other reportable compensation from the organization and related organizations. "Other Comp" includes benefits, deferred compensation, and non-taxable benefits.

Historical Data

Year Revenue Expenses Assets Net Income
2024 No data No data No data No data
2023 $5,880,714 $6,178,116 $20,160,830 $-297,402
2022 $2,141,539 $1,715,812 $10,990,806 $425,727
2021 $2,250,549 $1,173,337 $10,587,684 $1,077,212
2020 $1,729,129 $2,044,377 $8,735,707 $-315,248
2019 $2,935,219 $2,298,776 $9,076,469 $636,443
2018 $3,908,202 $2,465,419 $7,853,848 $1,442,783
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