Civic Intelligence

Organization for Tropical Studies Inc

EIN 56-2125831 • 501(c)3 • Durham, NC

Profile

Organization for tropical studies, inc. Was formed for the purpose of establishing, fostering, supporting, and conducting education and research programs related to the tropics; to establish, maintain and operate facilities for these purposes; to publish the results of research; and to carry out other activities related to the furthering of education and research in the tropics.

408 Swift AvenueDurham, NC 27705

www.tropicalstudies.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

32nd percentile

0.06x

Higher debt load relative to assets than 32% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Source year 2025

Liabilities / Revenue

34th percentile

0.11x

Higher debt load relative to revenue than 34% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Source year 2025

Net Margin

60th percentile

9.3%

Higher net margin than 60% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Source year 2025

Top Officer Pay

46th percentile

$110,530

Higher top officer pay than 46% of similar nonprofits.

Top officer pay equals 1.1% of source-year revenue.

501(c)3 • $10M-$25M nonprofits • Source year 2025

Asset Growth

68th percentile

12%

Faster asset growth than 68% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Annualized from 2023 to 2025

Revenue Growth

45th percentile

4.9%

Faster revenue growth than 45% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Annualized from 2023 to 2025

Assets

Up

$18,625,423

Up $2,991,449 (+19%) from 2024

Liabilities

Up

$1,115,145

Up $70,089 (+6.7%) from 2024

Net Assets

Up

$17,510,278

Up $2,921,360 (+20%) from 2024

Revenue

Up

$9,701,537

Up $482,324 (+5.2%) from 2024

Expenses

Down

$8,798,295

Down $1,060,442 (-11%) from 2024

Net Income

Up

$903,242

Up $1,542,766 (+241%) from 2024

Trend Graphs

Balance Sheet Trend

Grouped bars show assets, liabilities, and net assets across loaded filings.

$20M$15M$10M$5.0M$0Assets 2011: $18,852,299Liabilities 2011: $1,348,314Net Assets 2011: $17,503,9852011Assets 2012: $17,485,934Liabilities 2012: $1,616,744Net Assets 2012: $15,869,1902012Assets 2013: $17,712,317Liabilities 2013: $1,571,953Net Assets 2013: $16,140,3642013Assets 2014: $18,537,556Liabilities 2014: $1,394,072Net Assets 2014: $17,143,4842014Assets 2015: $18,916,246Liabilities 2015: $1,793,022Net Assets 2015: $17,123,2242015Assets 2016: $17,670,714Liabilities 2016: $1,838,055Net Assets 2016: $15,832,6592016Assets 2017: $17,801,455Liabilities 2017: $1,732,618Net Assets 2017: $16,068,8372017Assets 2018: $16,795,304Liabilities 2018: $1,260,251Net Assets 2018: $15,535,0532018Assets 2019: $15,138,124Liabilities 2019: $840,864Net Assets 2019: $14,297,2602019Assets 2020: $14,551,927Liabilities 2020: $667,831Net Assets 2020: $13,884,0962020Assets 2021: $17,564,008Liabilities 2021: $686,112Net Assets 2021: $16,877,8962021Assets 2022: $14,310,445Liabilities 2022: $801,233Net Assets 2022: $13,509,2122022Assets 2023: $14,966,697Liabilities 2023: $1,114,133Net Assets 2023: $13,852,5642023Assets 2024: $15,633,974Liabilities 2024: $1,045,056Net Assets 2024: $14,588,9182024Assets 2025: $18,625,423Liabilities 2025: $1,115,145Net Assets 2025: $17,510,2782025

Highlighted filing

2025

Assets$18,625,423
Liabilities$1,115,145
Net Assets$17,510,278

Operations Trend

Revenue, expenses, and net income by year, with the latest filing highlighted.

$15M$10M$5.0M$0-$5.0MRevenue 2011: $11,035,206Expenses 2011: $8,672,880Net Income 2011: $2,362,3262011Expenses 2012: $8,779,0542012Expenses 2013: $9,130,3622013Revenue 2014: $7,878,180Expenses 2014: $8,555,773Net Income 2014: -$677,5932014Revenue 2015: $8,710,613Expenses 2015: $8,212,326Net Income 2015: $498,2872015Revenue 2016: $8,156,369Expenses 2016: $8,244,544Net Income 2016: -$88,1752016Revenue 2017: $7,508,550Expenses 2017: $8,180,616Net Income 2017: -$672,0662017Revenue 2018: $6,242,782Expenses 2018: $7,481,398Net Income 2018: -$1,238,6162018Revenue 2019: $4,225,194Expenses 2019: $5,789,918Net Income 2019: -$1,564,7242019Revenue 2020: $4,220,880Expenses 2020: $4,597,253Net Income 2020: -$376,3732020Revenue 2021: $2,862,547Expenses 2021: $3,272,598Net Income 2021: -$410,0512021Revenue 2022: $4,521,186Expenses 2022: $4,875,291Net Income 2022: -$354,1052022Revenue 2023: $8,814,178Expenses 2023: $9,350,545Net Income 2023: -$536,3672023Revenue 2024: $9,219,213Expenses 2024: $9,858,737Net Income 2024: -$639,5242024Revenue 2025: $9,701,537Expenses 2025: $8,798,295Net Income 2025: $903,2422025

Highlighted filing

2025

Revenue$9,701,537
Expenses$8,798,295
Net Income$903,242

Filings

Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$18.6$1.12$17.5$9.70$8.80$0.90
2024XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$15.6$1.05$14.6$9.22$9.86$0.64
2023XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$15.0$1.11$13.9$8.81$9.35$0.54
2022XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$14.3$0.80$13.5$4.52$4.88$0.35
2021Facts available. Structured filing facts are available, but richer extracted sections are limited.$17.6$0.69$16.9$2.86$3.27$0.41
2020Facts available. Structured filing facts are available, but richer extracted sections are limited.$14.6$0.67$13.9$4.22$4.60$0.38
2019Facts available. Structured filing facts are available, but richer extracted sections are limited.$15.1$0.84$14.3$4.23$5.79$1.56
2018XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$16.8$1.26$15.5$6.24$7.48$1.24
2017XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$17.8$1.73$16.1$7.51$8.18$0.67
2016Detailed filing. Detailed filing data is available for this year.$17.7$1.84$15.8$8.16$8.24$0.09
2015Detailed filing. Detailed filing data is available for this year.$18.9$1.79$17.1$8.71$8.21$0.50
2014Detailed filing. Detailed filing data is available for this year.$18.5$1.39$17.1$7.88$8.56$0.68
2013Facts available. Structured filing facts are available, but richer extracted sections are limited.$17.7$1.57$16.1$9.13
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$17.5$1.62$15.9$8.78
2011Summary only. Only limited summary data is available for this year.$18.9$1.35$17.5$11.0$8.67$2.36
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jul 1, 2024 to Jun 30, 2025
Signed
Feb 4, 2026
Return Version
2024v5.5
Gross Receipts
$9,701,537
Mission and Program Overview

Mission

The organization for tropical studies, inc. (ots) is chartered as a non profit corporation under the laws of north carolina and is supported by a consortium of institutions of higher learning in north, central, and south america, australia, and south africa. Ots's purpose is to sustain tropical ecosystems by driving scientific discovery and knowledge, by enriching human perception of nature, and by enhancing worldwide policy in the tropics.

SEE PART III, LINE 1.

Balance Sheet Detail
LineBeginningEndChange
Assets
Investments in Publicly Traded Securities$7,971,101$9,561,684▲ $1,590,583
Land, Buildings, and Equipment, Net$2,615,569$3,448,973▲ $833,404
Investments Other Securities$3,217,175$3,284,830▲ $67,655
Cash and Non-Interest-Bearing Accounts$549,134$1,031,555▲ $482,421
Savings and Temporary Cash Investments$360,415$425,881▲ $65,466
Accounts Receivable$187,424$166,159▼ $21,265
Prepaid Expenses and Deferred Charges$26,502$52,657▲ $26,155
Inventories for Sale or Use$29,124$34,593▲ $5,469
Pledges and Grants Receivable$21,368$2,389▼ $18,979
Total Assets$15,633,974$18,625,423▲ $2,991,449
Other Assets Total$656,162$616,702▼ $39,460
Liabilities
Accounts Payable and Accrued Expenses$580,599$568,147▼ $12,452
Deferred Revenue$209,085$462,319▲ $253,234
Other Liabilities$255,372$84,679▼ $170,693
Total Liabilities$1,045,056$1,115,145▲ $70,089
Net Assets / Fund Balance
Net Assets With Donor Restrictions$10,797,370$12,886,144▲ $2,088,774
Net Assets Without Donor Restrictions$3,791,548$4,624,134▲ $832,586
Total Net Assets Fund Balance$14,588,918$17,510,278▲ $2,921,360
Total Liabilities and Net Assets / Fund Balance$15,633,974$18,625,423▲ $2,991,449

Asset Categories

AssetBook ValueDepreciationBasis
Buildings$1,495,598$2,109,258$3,604,856
Equipment$111,742$1,922,432$2,034,174
Land$1,823,790-$1,823,790
Other Land Buildings$17,843$338,204$356,047
Other Securities$3,284,830--

Endowment Activity

PeriodBeginningContrib.Gain/LossOther UsesEnd
2024$11,579,457-▲ $2,189,138$215,417$13,293,928
2023$10,206,347-▲ $1,600,942$99,853$11,579,456
2022$9,706,233$136,754▲ $1,033,951$161,591$10,206,347
2021$13,537,381-▼ $2,832,809$139,114$9,706,233
2020$10,748,365$140,273▲ $3,434,707$63,236$13,537,381
Compensation and Service Providers

Employees

NameTitleFull / Part TimeBaseOtherTotal
Jennifer KelleyChief Administrative OfficerFT$89,760$20,770$110,530
Miguel MendezChief Operating OfficerFT$86,608$11,831$98,439
Elizabeth BrakerDir./pres./CEO (from Nov. 24)FT$26,667-$26,667

Board Members and Trustees

NameTitle
Chelsea WardDirector/ Chair
Alvaro UmanaDirector
Andre KesslerDirector
Bryan HeidornDirector
George Middendorf IiiDirector
James DallingDirector
Javier Mateo-vegaDirector
John TobinDirector
Michael WassermanDirector
Muriel PostonDirector
Nathan MuchhalaDirector
Oscar RochaDirector
William WcisloDirector
Susan CordellDirector (until June 2025)
Erin KuprewiczDirector / Secretary
Kyle HarmsDirector, (from June 2025)
Terry VogtDirector, (until July 2024)
Rafael Munoz-carpenaDirector/ Treasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$5,942,893
Program Service Revenue
$3,549,247
Investment Income
$209,049
Other Revenue
$348
All Other Contributions
$5,884,974
Change in Net Assets
$903,242

Noncash Contribution Practices

Property subject to holding requirements
Yes
Reviewed unusual noncash gifts
No
Third parties used for noncash contributions
No

Noncash Contributions

Contribution TypeContribution CountReported AmountValuation Method
Real Estate Residential1$927,700Appraisal
Total Noncash Contributions1$927,700-

Audited Revenue Reconciliation

Revenue per Audited Statements
$9,675,990
Revenue Not Reported on Financial Statements
$25,547
Revenue Not Reported on Form 990
$2,637,414
Total Revenue per Audited Statements
$12,313,404
Total Revenue per Form 990
$9,701,537
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$4,325,104
Salaries, Compensation, and Employee Benefits$4,241,853
Total Fundraising Expense$369,745
Grants and Similar Amounts Paid$231,338
Professional Fundraising Fees$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Other Salaries and Wages$2,276,244$281,687$219,371$2,777,302
Fees for Services Other$1,088,424$46,728$3,675$1,138,827
Other Employee Benefits$859,442$158,681$54,338$1,072,461
Travel$928,150$34,611$57,396$1,020,157
Occupancy$847,317$22,273$4,925$874,515
Current Officers, Directors, Trustees, and Key Employees$16,347$311,534$1,034$328,915
Depreciation Depletion$227,395$7,646-$235,041
Foreign Grants$148,241--$148,241
Office Expenses$81,865$18,731$7,123$107,719
Insurance$37,744$50,917$8,886$97,547
Grants to Domestic Individuals$83,097--$83,097
All Other Expenses$41,188$36,746$1,820$79,754
Fees for Services Accounting-$75,601-$75,601
Payroll Taxes$32,989$7,011$2,086$42,086
Other Expenses$11,389$15,364$2,681$29,434
Fees for Services Legal$1,566$24,928-$26,494
Fees for Service Investment Mgmnt Fees-$25,547-$25,547
Pension Plan Contributions$16,531$3,513$1,045$21,089
Advertising$160$2$17$179
Total Functional Expenses$7,282,679$1,145,871$369,745$8,798,295

Audited Expense Reconciliation

Line ItemAmount
Total Expenses per Audited Statements$9,392,044
Total Expenses per Form 990$8,798,295
Expenses per Audited Statements$8,772,748
Expenses Not Reported on Form 990$619,296
Expenses Not Reported on Financial Statements$25,547
International Activity

International Summary

Offices
5
Employees
122
Spending
$8,340,360

International Compliance

Foreign grant records maintained
Yes
Activity in boycott countries
No
Foreign corporation ownership
No
Foreign partnership interest
No
Interest in foreign trust
No
Passive foreign investment company interest
No
Transfers to foreign corporations
No

International Activities

RegionActivityServicesOfficesEmployeesSpending
Central America and the CaribbeanProgram ServicesEducation, Researach Programs, Conservation4109$7,345,328
Sub-saharan AfricaProgram ServicesEducation, Researach Programs, Conservation113$846,791
Central America and the CaribbeanGrants to Recipients Located in Region-00$146,728
Sub-saharan AfricaGrants to Recipients Located in Region-00$1,337
EuropeGrants to Recipients Located in Region-00$176
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Debt and Bond Financing

Other Reported Liabilities

LiabilityAmount
Refundable Advances$84,679
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
Yes
Audit committee
Yes
Backup withholding compliance
Yes
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
Yes
Other officer compensation reviewed
No
Conflict-of-interest policy
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section A, Line 6

The organization has institutional members consisting of universities, colleges, research institutions and museums.

Form 990, Part VI, Section A, Line 7A

Institutional members have voting rights that allow for the election of the board of directors, other than president. The maximum number of directors on the board is eighteen (18) and nine (9) of the directors are elected by institutional members. Members elected by institutional members are referred to as member directors.

Form 990, Part VI, Section B, Line 11B

The form 990 is prepared by outside accountants and reviewed by senior management. The organization's form 990 is distributed to the governing body for its review via electronic mail.

Form 990, Part VI, Section B, Line 12C

Each member of the board of directors and each employee in a sensitive position, at the time they assume position and thereafter at least annually, sign a written statement affirming that they have received and read the policy and that they agree to comply with the policy. The organization assigns one staff member to collect the annual certifications. The controller, ceo or the chair of the board are notified if a conflict of interest arises. The ceo is responsible for resolving all staff conflicts. Board conflicts are discussed at either a full board meeting or an executive committee meeting and an appropriate course of action to resolve the conflict of interest then determined.

Form 990, Part VI, Section B, Line 15A

The organization's outside recruiter utilizes comparable data to establish the president and ceo's compensation. The personnel committee is responsible for conducting the annual performance review of the president/ceo. The recruiter provides advice to the search committee and personnel committee that is made up of board members and non-board members, and the committee makes a compensation recommendation to the board of directors for its review and approval. The governance committee is charged with performing salary reviews for future ceos. The last compensation review took place in february 2017.

Form 990, Part VI, Section C, Line 19

The organization makes its governing documents, conflict of interest policy and financial statements available to the public upon request.

Filing and Contact Details

Filer

Filer Name
Organization for Tropical Studies Inc
EIN
56-2125831
Phone
9196845774
Address
408 SWIFT AVENUE, DURHAM, NC 27705

Signing Officer

Name
Elizabeth Braker
Title
CEO
Phone
9196845774
Signed
2026-02-04
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Elizabeth Braker
Formed
1963
Legal Domicile
Nc
Voting Board Members
16
Independent Board Members
15
Employees
9
Volunteers
25

Preparer

Firm
Gelman Rosenberg & Freedman
Address
4550 MONTGOMERY AVE SUITE 800N, BETHESDA, MD 20814-2930
Preparer
Richard J Locastro CPA
Phone
3019519090
Supplemental Narrative

Additional Explanations

Form 990, Part IX, Line 11G

Botanical serv: program service expenses 2,518. Management and general expenses 22. Fundraising expenses 2. Total expenses 2,542. Course coordinator: program service expenses 57,582. Management and general expenses 511. Fundraising expenses 48. Total expenses 58,141. Faculty: program service expenses 88,461. Management and general expenses 785. Fundraising expenses 73. Total expenses 89,319. Field assistant: program service expenses 212. Management and general expenses 2. Fundraising expenses 0. Total expenses 214. Maintenance assist: program service expenses 5,878. Management and general expenses 52. Fundraising expenses 5. Total expenses 5,935. Project specialist: program service expenses 548,927. Management and general expenses 4,873. Fundraising expenses 455. Total expenses 554,255. Science specialist: program service expenses 4,921. Management and general expenses 44. Fundraising expenses 4. Total expenses 4,969. Services: program service expenses 32,808. Management and general expenses 291. Fundraising expenses 27. Total expenses 33,126. Teaching assistant: program service expenses 8,365. Management and general expenses 74. Fundraising expenses 7. Total expenses 8,446. Translate services: program service expenses 1,197. Management and general expenses 11. Fundraising expenses 1. Total expenses 1,209. Contract services: program service expenses 337,555. Management and general expenses 40,063. Fundraising expenses 3,053. Total expenses 380,671.

Financial Statement Notes

PART V, LINE 4:

The endowments are primarily for scholarships and fellowships for students who study or do research in our stations. There are a few endowments that cover expenses for specific purposes, like a field station, environmental policy, or strategic transformation of ots.

Raw XML AppendixShowing 400 of 782 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990/ActivityOrMissionDesc0SEE PART III, LINE 1.
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IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt101.00
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IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt20
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IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt40
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt50
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt60
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt70
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt80
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt90
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt100
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt110
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt120
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt130
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt140
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt150
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt160
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt170
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt1820770
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt1911831
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IRS990/Form990PartVIISectionAGrp/PersonNm1RAFAEL MUNOZ-CARPENA
IRS990/Form990PartVIISectionAGrp/PersonNm2ERIN KUPREWICZ
IRS990/Form990PartVIISectionAGrp/PersonNm3SUSAN CORDELL
IRS990/Form990PartVIISectionAGrp/PersonNm4JAMES DALLING
IRS990/Form990PartVIISectionAGrp/PersonNm5KYLE HARMS
IRS990/Form990PartVIISectionAGrp/PersonNm6BRYAN HEIDORN
IRS990/Form990PartVIISectionAGrp/PersonNm7ANDRE KESSLER
IRS990/Form990PartVIISectionAGrp/PersonNm8JAVIER MATEO-VEGA
IRS990/Form990PartVIISectionAGrp/PersonNm9GEORGE MIDDENDORF III
IRS990/Form990PartVIISectionAGrp/PersonNm10NATHAN MUCHHALA
IRS990/Form990PartVIISectionAGrp/PersonNm11MURIEL POSTON
IRS990/Form990PartVIISectionAGrp/PersonNm12OSCAR ROCHA
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IRS990/Form990PartVIISectionAGrp/PersonNm14ALVARO UMANA
IRS990/Form990PartVIISectionAGrp/PersonNm15TERRY VOGT
IRS990/Form990PartVIISectionAGrp/PersonNm16MICHAEL WASSERMAN
IRS990/Form990PartVIISectionAGrp/PersonNm17WILLIAM WCISLO
IRS990/Form990PartVIISectionAGrp/PersonNm18JENNIFER KELLEY
IRS990/Form990PartVIISectionAGrp/PersonNm19MIGUEL MENDEZ
IRS990/Form990PartVIISectionAGrp/PersonNm20ELIZABETH BRAKER
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt60
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt90
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt160
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt170
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt1889760
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt1986608
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt2026667
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt200
IRS990/Form990PartVIISectionAGrp/TitleTxt0DIRECTOR/ CHAIR
IRS990/Form990PartVIISectionAGrp/TitleTxt1DIRECTOR/ TREASURER
IRS990/Form990PartVIISectionAGrp/TitleTxt2DIRECTOR / SECRETARY
IRS990/Form990PartVIISectionAGrp/TitleTxt3DIRECTOR (UNTIL JUNE 2025)
IRS990/Form990PartVIISectionAGrp/TitleTxt4DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt5DIRECTOR, (FROM JUNE 2025)
IRS990/Form990PartVIISectionAGrp/TitleTxt6DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt7DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt8DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt9DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt10DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt11DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt12DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt13DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt14DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt15DIRECTOR, (UNTIL JULY 2024)
IRS990/Form990PartVIISectionAGrp/TitleTxt16DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt17DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt18CHIEF ADMINISTRATIVE OFFICER
IRS990/Form990PartVIISectionAGrp/TitleTxt19CHIEF OPERATING OFFICER
IRS990/Form990PartVIISectionAGrp/TitleTxt20DIR./PRES./CEO (FROM NOV. 24)
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IRS990/MethodOfAccountingAccrualInd0X
IRS990/MinutesOfCommitteesInd01
IRS990/MinutesOfGoverningBodyInd01
IRS990/MissionDesc0THE ORGANIZATION FOR TROPICAL STUDIES, INC. (OTS) IS CHARTERED AS A NON PROFIT CORPORATION UNDER THE LAWS OF NORTH CAROLINA AND IS SUPPORTED BY A CONSORTIUM OF INSTITUTIONS OF HIGHER LEARNING IN NORTH, CENTRAL, AND SOUTH AMERICA, AUSTRALIA, AND SOUTH AFRICA. OTS'S PURPOSE IS TO SUSTAIN TROPICAL ECOSYSTEMS BY DRIVING SCIENTIFIC DISCOVERY AND KNOWLEDGE, BY ENRICHING HUMAN PERCEPTION OF NATURE, AND BY ENHANCING WORLDWIDE POLICY IN THE TROPICS.
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IRS990/MoreThan5000KToOrgInd00
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IRS990/NoncashContributionsAmt0927700
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IRS990/OccupancyGrp/ProgramServicesAmt0847317
IRS990/OccupancyGrp/TotalAmt0874515
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IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt018731
IRS990/OfficeExpensesGrp/ProgramServicesAmt081865
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IRS990/Organization501c3Ind0X
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IRS990/OtherAssetsTotalGrp/EOYAmt0616702
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IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt0158681
IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt0859442
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IRS990/OtherExpensesGrp/Desc0MATERIALS AND SUPPLIES
IRS990/OtherExpensesGrp/Desc1EQUIPMENT & FURNISHING
IRS990/OtherExpensesGrp/Desc2TOUR GUIDES
IRS990/OtherExpensesGrp/Desc3LICENSES, PERMITS, ENTR
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IRS990/OtherExpensesGrp/FundraisingAmt11498
IRS990/OtherExpensesGrp/FundraisingAmt21196
IRS990/OtherExpensesGrp/FundraisingAmt32681
IRS990/OtherExpensesGrp/ManagementAndGeneralAmt012058
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IRS990/OtherExpensesGrp/ManagementAndGeneralAmt2683
IRS990/OtherExpensesGrp/ManagementAndGeneralAmt315364
IRS990/OtherExpensesGrp/ProgramServicesAmt0362076
IRS990/OtherExpensesGrp/ProgramServicesAmt1173585
IRS990/OtherExpensesGrp/ProgramServicesAmt248929
IRS990/OtherExpensesGrp/ProgramServicesAmt311389
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IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt07011
IRS990/PayrollTaxesGrp/ProgramServicesAmt032989
IRS990/PayrollTaxesGrp/TotalAmt042086
IRS990/PensionPlanContributionsGrp/FundraisingAmt01045
IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt03513
IRS990/PensionPlanContributionsGrp/ProgramServicesAmt016531
IRS990/PensionPlanContributionsGrp/TotalAmt021089
IRS990/PledgesAndGrantsReceivableGrp/BOYAmt021368
IRS990/PledgesAndGrantsReceivableGrp/EOYAmt02389
IRS990/PoliticalCampaignActyInd00
IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt026502
IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt052657
IRS990/PrincipalOfficerNm0ELIZABETH BRAKER
IRS990/ProfessionalFundraisingInd00
IRS990/ProgramServiceRevenueGrp/BusinessCd0900099
IRS990/ProgramServiceRevenueGrp/BusinessCd1900099
IRS990/ProgramServiceRevenueGrp/BusinessCd2900099
IRS990/ProgramServiceRevenueGrp/Desc0FACILITIES FEES
IRS990/ProgramServiceRevenueGrp/Desc1TUITION AND FEES
IRS990/ProgramServiceRevenueGrp/Desc2MEMBER DUES
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt02433696
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt11059290
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt256261
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt02433696
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt11059290
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt256261
IRS990/ProgSrvcAccomActy2Grp/Desc0FIELD STATIONS: THE ORGANIZATION OPERATES THREE BIOLOGICAL FIELD STATIONS IN DIVERSE ECOLOGICAL ZONES OF COSTA RICA (LA SELVA, LAS CRUCES, AND PALO VERDE) AND ONE IN KRUGER NATIONAL PARK, SOUTH AFRICA. THESE FIELD STATIONS ARE MAINTAINED TO FACILITATE BIOLOGICAL RESEARCH AND TO CONDUCT EDUCATIONAL PROGRAMS.
IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt02950132
IRS990/ProgSrvcAccomActy2Grp/GrantAmt0155756
IRS990/ProgSrvcAccomActy2Grp/RevenueAmt01087420
IRS990/ProgSrvcAccomActy3Grp/Desc0EDUCATIONAL PROGRAMS: THE ORGANIZATION CONDUCTS A NUMBER OF EDUCATIONAL PROGRAMS, INCLUDING GRADUATE COURSES FOR ACADEMIC CREDIT AND UNDERGRADUATE SEMESTER- ABROAD PROGRAMS FOR ACADEMIC CREDIT. THE ORGANIZATION HAS OFFERED MID-CAREER PROFESSIONAL TRAINING FOR U.S. AND LATIN AMERICAN OFFICIALS AND POLICY- MAKERS, SHORT EXCURSIONS LED BY SCIENTISTS FOR MEMBERS OF THE PUBLIC IN COSTA RICA, AND PROGRAMS FOR PRIMARY AND SECONDARY SCHOOL TEACHERS.
IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt01066966

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