Form 990 for tax year 2024
Filed by ORGANIZATION FOR TROPICAL STUDIES INC.
Totals
- Total revenue
- $9,701,537
- Total expenses
- $8,798,295
- Contributions and grants received
- $5,942,893
- Grants paid
- $231,338
- Program service revenue
- $3,549,247
- Investment income
- $209,049
- Other revenue
- $348
- Total assets, end of year
- $18,625,423
- Total liabilities, end of year
- $1,115,145
- Net assets or fund balances, end of year
- $17,510,278
- Program services expenses (Part IX)
- $7,282,679
- Management and general expenses
- $1,145,871
- Fundraising expenses
- $369,745
- Program service expenses (Part III)
- $7,282,679
Program services were 82.8% of total expenses calculated — Part IX's program-services column over total expenses, both as filed.
Line items
Every line the filer filed in Parts VIII, IX and X, as filed and in filed order. Blank columns are left out, and the lines are not forced to add up to the totals above.
Revenue
Part VIII, the statement of revenue.
-
1e · Government grants (contributions)
$57,919
-
1f · All other contributions, gifts and grants
$5,884,974
-
1g · Noncash contributions included above
$927,700
-
2a · Program service revenue: FACILITIES FEES
total $2,433,696 · related or exempt $2,433,696
-
2b · Program service revenue: TUITION AND FEES
total $1,059,290 · related or exempt $1,059,290
-
2c · Program service revenue: MEMBER DUES
total $56,261 · related or exempt $56,261
-
3 · Investment income
total $209,049 · excluded $209,049
-
11a · Other revenue: MISCELLANEOUS
total $348 · excluded $348
-
11e · Other revenue, total
$348
Functional expenses
Part IX, the statement of functional expenses.
-
2 · Grants to domestic individuals
total $83,097 · program services $83,097
-
3 · Grants to foreign organizations and individuals
total $148,241 · program services $148,241
-
5 · Compensation of officers, directors and key employees
total $328,915 · program services $16,347 · management and general $311,534 · fundraising $1,034
-
7 · Other salaries and wages
total $2,777,302 · program services $2,276,244 · management and general $281,687 · fundraising $219,371
-
8 · Pension plan contributions
total $21,089 · program services $16,531 · management and general $3,513 · fundraising $1,045
-
9 · Other employee benefits
total $1,072,461 · program services $859,442 · management and general $158,681 · fundraising $54,338
-
10 · Payroll taxes
total $42,086 · program services $32,989 · management and general $7,011 · fundraising $2,086
-
11b · Fees: legal
total $26,494 · program services $1,566 · management and general $24,928
-
11c · Fees: accounting
total $75,601 · management and general $75,601
-
11f · Fees: investment management
total $25,547 · management and general $25,547
-
11g · Fees: other
total $1,138,827 · program services $1,088,424 · management and general $46,728 · fundraising $3,675
-
12 · Advertising and promotion
total $179 · program services $160 · management and general $2 · fundraising $17
-
13 · Office expenses
total $107,719 · program services $81,865 · management and general $18,731 · fundraising $7,123
-
16 · Occupancy
total $874,515 · program services $847,317 · management and general $22,273 · fundraising $4,925
-
17 · Travel
total $1,020,157 · program services $928,150 · management and general $34,611 · fundraising $57,396
-
22 · Depreciation, depletion and amortization
total $235,041 · program services $227,395 · management and general $7,646
-
23 · Insurance
total $97,547 · program services $37,744 · management and general $50,917 · fundraising $8,886
-
24a · Other expenses: MATERIALS AND SUPPLIES
total $376,788 · program services $362,076 · management and general $12,058 · fundraising $2,654
-
24b · Other expenses: EQUIPMENT & FURNISHING
total $186,693 · program services $173,585 · management and general $11,610 · fundraising $1,498
-
24c · Other expenses: TOUR GUIDES
total $50,808 · program services $48,929 · management and general $683 · fundraising $1,196
-
24d · Other expenses: LICENSES, PERMITS, ENTR
total $29,434 · program services $11,389 · management and general $15,364 · fundraising $2,681
-
24e · All other expenses
total $79,754 · program services $41,188 · management and general $36,746 · fundraising $1,820
Balance sheet
Part X, book values.
-
1 · Cash, non-interest-bearing
beginning of year $549,134 · end of year $1,031,555
-
2 · Savings and temporary cash investments
beginning of year $360,415 · end of year $425,881
-
3 · Pledges and grants receivable
beginning of year $21,368 · end of year $2,389
-
4 · Accounts receivable
beginning of year $187,424 · end of year $166,159
-
8 · Inventories for sale or use
beginning of year $29,124 · end of year $34,593
-
9 · Prepaid expenses and deferred charges
beginning of year $26,502 · end of year $52,657
-
10a · Land, buildings and equipment: cost or other basis
$7,818,867
-
10b · Land, buildings and equipment: accumulated depreciation
$4,369,894
-
10c · Land, buildings and equipment, net
beginning of year $2,615,569 · end of year $3,448,973
-
11 · Investments: publicly traded securities
beginning of year $7,971,101 · end of year $9,561,684
-
12 · Investments: other securities
beginning of year $3,217,175 · end of year $3,284,830
-
15 · Other assets
beginning of year $656,162 · end of year $616,702
-
17 · Accounts payable and accrued expenses
beginning of year $580,599 · end of year $568,147
-
19 · Deferred revenue
beginning of year $209,085 · end of year $462,319
-
25 · Other liabilities
beginning of year $255,372 · end of year $84,679
-
27 · Net assets without donor restrictions
beginning of year $3,791,548 · end of year $4,624,134
-
28 · Net assets with donor restrictions
beginning of year $10,797,370 · end of year $12,886,144
Mission and programs · 2024
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.
Activities or mission (Part I)
SEE PART III, LINE 1.
-
FACILITATED RESEARCH AND CONSERVATION: THE ORGANIZATION RECEIVES GRANTS AND CONTRACTS TO SUPPORT SCIENTIFIC RESEARCH AT ITS FIELD STATIONS AND CONSERVATION PROJECTS AT, AND IN THE VICINITY OF, ITS FIELD STATIONS.
Expenses $3,265,581 · Grants $73,365
-
FIELD 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.
Expenses $2,950,132 · Grants $155,756 · Revenue $1,087,420
-
EDUCATIONAL 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.
Expenses $1,066,966 · Grants $2,217 · Revenue $2,461,827
As filed on the 2024 return. The filer continues this part on Schedule O, which is not shown here.
Listed in Part VII
-
CHELSEA WARD
DIRECTOR/ CHAIR
- Total calculated
- $0
- Hours/week
- 2
-
RAFAEL MUNOZ-CARPENA
DIRECTOR/ TREASURER
- Total calculated
- $0
- Hours/week
- 1
-
ERIN KUPREWICZ
DIRECTOR / SECRETARY
- Total calculated
- $0
- Hours/week
- 1
-
SUSAN CORDELL
DIRECTOR (UNTIL JUNE 2025)
- Total calculated
- $0
- Hours/week
- 1
-
JAMES DALLING
DIRECTOR
- Total calculated
- $0
- Hours/week
- 1
-
KYLE HARMS
DIRECTOR, (FROM JUNE 2025)
- Total calculated
- $0
- Hours/week
- 1
-
BRYAN HEIDORN
DIRECTOR
- Total calculated
- $0
- Hours/week
- 1
-
ANDRE KESSLER
DIRECTOR
- Total calculated
- $0
- Hours/week
- 1
-
JAVIER MATEO-VEGA
DIRECTOR
- Total calculated
- $0
- Hours/week
- 1
-
GEORGE MIDDENDORF III
DIRECTOR
- Total calculated
- $0
- Hours/week
- 1
-
NATHAN MUCHHALA
DIRECTOR
- Total calculated
- $0
- Hours/week
- 1
-
MURIEL POSTON
DIRECTOR
- Total calculated
- $0
- Hours/week
- 1
-
OSCAR ROCHA
DIRECTOR
- Total calculated
- $0
- Hours/week
- 1
-
JOHN TOBIN
DIRECTOR
- Total calculated
- $0
- Hours/week
- 1
-
ALVARO UMANA
DIRECTOR
- Total calculated
- $0
- Hours/week
- 1
-
TERRY VOGT
DIRECTOR, (UNTIL JULY 2024)
- Total calculated
- $0
- Hours/week
- 1
-
MICHAEL WASSERMAN
DIRECTOR
- Total calculated
- $0
- Hours/week
- 1
-
WILLIAM WCISLO
DIRECTOR
- Total calculated
- $0
- Hours/week
- 1
-
JENNIFER KELLEY
CHIEF ADMINISTRATIVE OFFICER
- Total calculated
- $110,530
- From this org
- $89,760
- From related orgs
- $0
- Other
- $20,770
- Hours/week
- 40
-
MIGUEL MENDEZ
CHIEF OPERATING OFFICER
- Total calculated
- $98,439
- From this org
- $86,608
- From related orgs
- $0
- Other
- $11,831
- Hours/week
- 40
-
ELIZABETH BRAKER
DIR./PRES./CEO (FROM NOV. 24)
- Total calculated
- $26,667
- From this org
- $26,667
- From related orgs
- $0
- Other
- $0
- Hours/week
- 40
Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead, and on a Form 990-PF Part VIII's — compensation, contributions to benefit plans, and expense account — and the total sums those.
Grants on this return
No itemized grants to organizations on this return.
Related organizations on this return
Schedule R Part II: tax-exempt organizations related to the filer by control. It does not record shared board members or money.
-
NSASANI TRUST
N/A · EDUCATION AND RESEARCH PROGRAMS IN KRUGER NATIONAL PARK · SF · controlled entity
Directly controlled by ORGANIZATION FOR TROPICAL STUDIES - SOUTH AFRICA
-
OTS SA
N/A · ESTABLISH, FOSTER, SUPPORT AND CONDUCT PROGRAMS IN EDUCATION AND RESEARCH · SF · controlled entity
Directly controlled by ORGANIZATION FOR TROPICAL STUDIES
Provenance
- Return type
- form_990
- Tax year
- 2024
- Filed
- 4 February 2026
- IRS schema version
- 2024v5.5
- Source object
- 202600359349301455
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