Nonprofit · EIN 76-0702796
INTERNATIONAL BIOGEOGRAPHY SOCIETY INC
Tax-exempt · TOPEKA, KS 66604
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2026 | 990 | $303,530 | $256,970 | $46,560 | $234,846 | $1,815 | $233,031 |
| June 30, 2025 | 990-EZ | $51,974 | $64,320 | -$12,346 | $282,716 | $107,072 | $175,644 |
| June 30, 2024 | 990 | $326,435 | $305,449 | $20,986 | $187,990 | $0 | $187,990 |
| June 30, 2023 | 990-EZ | $34,182 | $73,922 | -$39,740 | $142,893 | $70,935 | $71,958 |
Financial details: 990 for the year ended June 30, 2026
Revenue
- Contributions, gifts and grants
- $44,437
- Membership dues
- $43,286
- Program service revenue
- $235,551
- Investment income
- $23,542
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $6,334
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Program services (functional)
- $251,002
- Management and general (functional)
- $5,968
Balance sheet and other
- Total assets, start of year
- $182,317
- Total assets, end of year
- $234,846
- Total liabilities, end of year
- $1,815
- Net assets, end of year
- $233,031
- Net assets without donor restrictions
- $227,085
- Net assets with donor restrictions
- $7,761
- Gross receipts
- $303,530
- Employees
- 0
- Volunteers
- 25
- Year formed
- 2006
- State of legal domicile
- KS
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2026, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Ulises Balza | Director Trustee or director | 5 | $0 |
| Andressa Cabral | Director Trustee or director | 5 | $0 |
| Mark Costello | VP for Conferencescer Officer | 5 | $0 |
| SIMON DARROCH | VP Awards and Development Officer | 5 | $0 |
| Nicholas Gotelli | President-Elect Officer | 5 | $0 |
| Marta Jarzyna | VP Communications Officer | 5 | $0 |
| Mark Lomolino | Treasurer Officer | 5 | $0 |
| Pablo Marquet | Director Trustee or director | 5 | $0 |
| Toby Pennington | President Officer | 5 | $0 |
| Susanne Renner | Past-President Officer | 5 | $0 |
| Alexandria Shupinski | Secretary Officer | 5 | $0 |
990-EZ for the year ended June 30, 2025: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Susanne Renner | President | 5 | $0 |
| Toby Pennington | President Elect | 5 | $0 |
| Felisa Smith | Past President | 5 | $0 |
| Alexandra N Muellner-Riehl | Secretary | 5 | $0 |
| Raimundo Real Gimenez | VP for Development & Awards | 5 | $0 |
| Lois Alexander | Treasurer | 5 | $0 |
| Mark Costello | VP for Conferences | 5 | $0 |
| Marta Jarzyna | VP VP for Public Affairs and Communications | 5 | $0 |
| Jenny McGuire | Director at Large | 5 | $0 |
| Pablo A Marquet | Director at Large | 5 | $0 |
| Ccile Alsbach | Student-at-large | 5 | $0 |
990 for the year ended June 30, 2024: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Susanne Renner | President Officer | 2 | $0 |
| Toby Pennington | President Elect Officer | 2 | $0 |
| Felisa Smith | Past President Officer | 2 | $0 |
| Alexandra N Muellner-Riehl | Secretary Officer | 2 | $0 |
| Lois Alexander | Treasurer Officer | 2 | $0 |
| Raimundo Real Gimenez | VP for Development & Awards Officer | 2 | $0 |
| Mark Costello | VP for Conferences Officer | 2 | $0 |
| Marta Jarzyna | VP for Public Affairs and Communications | 2 | $0 |
| Jenny McGuire | Director at Large Officer | 2 | $0 |
| Pablo A Marquet | Director at Large Officer | 2 | $0 |
| Ccile Alsbach | Student-at-large Officer | 2 | $0 |
990-EZ for the year ended June 30, 2023: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Felisa Smith | President | 2 | $0 |
| Lois Alexander | Treasurer | 2 | $0 |
| Miguel Matias | Secretary | 2 | $0 |
| Susanne Renner | Incoming President | 2 | $0 |
| Katherine Willis | Board Member | 2 | $0 |
| Israel Borokini | Board Member | 2 | $0 |
| Sandra Nogu | Board Member | 2 | $0 |
| David Bravo Nogues | Board Member | 2 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 4022, TOPEKA, KS 66604-0022
- Principal officer (990 for 2025)
- Toby Pennington, PO Box 4022, Topeka, KS 66610
- Signed the 990
- Christy Classi, Association Manager
- Phone
- (785) 550-6904
- Website
- www.biogeography.org
Mission
Foster communication and collaboration between biogeographers in disparate academic fields, increase both the awareness and interests of the scientific community and the lay public in the contributions of biogeographers, and promote the training and education of biogeographers so that they may develop sound strategies for studying and conserving the world's biota.
Program accomplishments
- The International Biogeography Society hosts its main conference every other year in changing locations around the world. With a community of biogeographers that spans more than 60 countries, participants visit locations of biogeographic interest while making and maintaining connections with new and established biogeographers from all corners of the globe. The format is split between 3-4 broad topic symposia that all participants attend together, 3 half-days of concurrent talk sessions, and 2 fantastic poster sessions. Fieldtrips and workshops round out attendees' opportunities to learn new techniques and make connections.Expenses $206,931 · revenue $235,191
- Frontiers of Biogeography (FoB) is the scientific journal of the International Biogeography Society. The society launched FoB to provide an independent forum for biogeographical science, with the academic standards expected of a journal operated by and for an academic society.Expenses $7,087 · revenue $360
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | 990 on file |
| 2024 | June 30, 2025 | November 17, 2025 | 990-EZ on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 76-0702796
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2003
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C03)
- Assets (IRS master file)
- $234,846
- Income (IRS master file)
- $303,530
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2026 | $303,530 | $256,970 | $234,846 | XML |
| 990-EZ | June 2025 | $51,974 | $64,320 | $282,716 | XML |
| 990 | June 2024 | $326,435 | $305,449 | $187,990 | IRS |
| 990-EZ | June 2023 | $34,182 | $73,922 | $142,893 | XML |
| 990 | June 2022 | – | – | – | IRS |
| 990-EZ | June 2021 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 76-0702796).
Questions about INTERNATIONAL BIOGEOGRAPHY SOCIETY INC
- What is the EIN of INTERNATIONAL BIOGEOGRAPHY SOCIETY INC?
- The employer identification number (EIN) of INTERNATIONAL BIOGEOGRAPHY SOCIETY INC is 76-0702796.
- Is INTERNATIONAL BIOGEOGRAPHY SOCIETY INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2003.
- Are donations to INTERNATIONAL BIOGEOGRAPHY SOCIETY INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INTERNATIONAL BIOGEOGRAPHY SOCIETY INC file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of INTERNATIONAL BIOGEOGRAPHY SOCIETY INC due?
- The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did INTERNATIONAL BIOGEOGRAPHY SOCIETY INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2026.
- Who is the principal officer of INTERNATIONAL BIOGEOGRAPHY SOCIETY INC?
- The 990 for the year ended June 30, 2026 names Toby Pennington.
- Who are the officers and directors of INTERNATIONAL BIOGEOGRAPHY SOCIETY INC?
- The 990 for the year ended June 30, 2026 lists 11 people; 0 received compensation from the organization.
- How much revenue does INTERNATIONAL BIOGEOGRAPHY SOCIETY INC have?
- On its 990 for the year ended June 30, 2026 it reported revenue of $303,530, expenses of $256,970 and total assets of $234,846 at year end.
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