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Source: IRS e-Filed Form 990 (from the IRS e-File system), Tax Year 2023
Total Revenue
▼$75.3M
Program Spending
78%
of total expenses go to program services
Total Contributions
$59.5M
Total Expenses
▼$59.5M
Total Assets
$398.4M
Total Liabilities
▼$6.9M
Net Assets
$391.5M
Officer Compensation
→$3.1M
Other Salaries
$23.3M
Investment Income
$4.2M
Fundraising
▼$113K
Source: USAspending.gov
No federal awards found for this organization.
USAspending.gov tracks federal grants, cooperative agreements, and other financial assistance. Not all nonprofits receive federal funding.
Source: Federal Audit Clearinghouse (fac.gov)
Total Audits
10
Clean Audits
10
Material Weakness
No
Noncompliance Issues
No
| Year | Status | Financial Report | Federal Expenditure | Low Risk | Accepted |
|---|---|---|---|---|---|
| 2025 | Clean | Unmodified (Clean) | $2.2M | Yes | 2026-04-01 |
| 2024 | Clean | Unmodified (Clean) | $1.8M | No | 2025-03-19 |
| 2023 | Clean | Unmodified (Clean) | $1.3M | No | 2024-02-29 |
| 2022 | Clean | Unmodified (Clean) | $1.5M | Yes | 2024-01-03 |
| 2021 | Clean | Unmodified (Clean) | $1.4M | Yes | 2022-02-01 |
| 2020 | Clean | Unmodified (Clean) | $1.1M | Yes | 2021-01-31 |
| 2019 | Clean | Unmodified (Clean) | $1.1M | Yes | 2020-02-19 |
| 2018 | Clean | Unmodified (Clean) | $1.2M | Yes | 2019-04-08 |
| 2017 | Clean | Unmodified (Clean) | $2M | Yes | 2018-04-05 |
| 2016 | Clean | Unmodified (Clean) | $1.7M | Yes | 2017-04-04 |
Financial Report
Unmodified (Clean)
Federal Expenditure
$2.2M
Financial Report
Unmodified (Clean)
Federal Expenditure
$1.8M
Financial Report
Unmodified (Clean)
Federal Expenditure
$1.3M
Financial Report
Unmodified (Clean)
Federal Expenditure
$1.5M
Financial Report
Unmodified (Clean)
Federal Expenditure
$1.4M
Financial Report
Unmodified (Clean)
Federal Expenditure
$1.1M
Financial Report
Unmodified (Clean)
Federal Expenditure
$1.1M
Financial Report
Unmodified (Clean)
Federal Expenditure
$1.2M
Financial Report
Unmodified (Clean)
Federal Expenditure
$2M
Financial Report
Unmodified (Clean)
Federal Expenditure
$1.7M
Tax Year 2024 · Source: IRS e-Filed Form 990
Individuals serving as officers, directors, or trustees of the organization.
| Name | Title | Hrs/Wk | Compensation | Related Orgs | Other |
|---|
Source: IRS Publication 78, Auto-Revocation List & e-Postcard Data
Tax-deductible contributions: Yes
Deductibility code: PC
Sources: IRS e-Filed Form 990 (XML) & ProPublica Nonprofit Explorer
Scroll →
| Year | Revenue | Contributions | Expenses | Assets | Net Assets |
|---|---|---|---|---|---|
| 2023IRS e-File | $75.3M | $59.5M | $59.5M | $398.4M | $391.5M |
| 2022 | $58.5M | $47.6M | $52.9M | $339M | $328.4M |
| 2021 | $59M | $50.2M | $43.3M | $365.2M | $352.4M |
| 2020 | $53.2M | $45M | $48.4M |
Sources: ProPublica Nonprofit Explorer & IRS e-File Index
Financial data: IRS e-Filed Form 990 (Tax Year 2023)
Leadership & compensation: IRS e-Filed Form 990, Part VII (Tax Year 2024)
Organization info: IRS Business Master File
Tax-deductibility: IRS Publication 78
| Total |
|---|
| Dr Peter Wyse Jackson | President | 40 | $489.2K | $0 | $59.6K | $548.7K |
| Dr Michael K Stern | Chair | 2 | $0 | $0 | $0 | $0 |
| Ward M Klein | Vice Chair | 1.5 | $0 | $0 | $0 | $0 |
Dr Peter Wyse Jackson
President
$548.7K
Hrs/Wk
40
Compensation
$489.2K
Related Orgs
$0
Other
$59.6K
Dr Michael K Stern
Chair
$0
Hrs/Wk
2
Compensation
$0
Related Orgs
$0
Other
$0
Ward M Klein
Vice Chair
$0
Hrs/Wk
1.5
Compensation
$0
Related Orgs
$0
Other
$0
Highest compensated employees who are not officers or directors.
| Name | Title | Hrs/Wk | Compensation | Related Orgs | Other | Total |
|---|---|---|---|---|---|---|
| Keith Archer | COO | 40 | $283.1K | $0 | $27.2K | $310.3K |
| Patty Reardon Arnold | VP Institutional Advanceme | 40 | $251K | $0 | $20.9K | $271.9K |
| Charles Miller | VP Info Tech & CIO | 40 | $229.9K | $0 | $19.7K | $249.5K |
| Teresa Clark | VP Human Resources | 40 | $211.4K | $0 | $12.1K | $223.6K |
| Andrew Wyatt | VP Horticulture | 40 | $202K | $0 | $21K | $223.1K |
| Gunter Fischer |
Keith Archer
COO
$310.3K
Hrs/Wk
40
Compensation
$283.1K
Related Orgs
$0
Other
$27.2K
Patty Reardon Arnold
VP Institutional Advanceme
$271.9K
Hrs/Wk
40
Compensation
$251K
Related Orgs
$0
Other
$20.9K
Charles Miller
VP Info Tech & CIO
$249.5K
Hrs/Wk
40
Compensation
$229.9K
Related Orgs
$0
Other
$19.7K
Members of the governing board. Board members often serve without compensation.
| Name | Title | Hrs/Wk | Compensation | Related Orgs | Other | Total |
|---|---|---|---|---|---|---|
| Andrew C Taylor | Trustee | 1 | $0 | $0 | $0 | $0 |
| Antoinette Cousins | Trustee | 1 | $0 | $0 | $0 | $0 |
| Bishop Deon Johnson | Trustee | 1 | $0 | $0 | $0 | $0 |
| Brian A Murphy | Trustee | 1 | $0 | $0 | $0 | $0 |
| Christopher A Koster | Trustee | 1 | $0 | $0 | $0 | $0 |
| Daniel A Burkhardt | Trustee |
Andrew C Taylor
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Antoinette Cousins
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Bishop Deon Johnson
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
| $316.1M |
| $301.4M |
| 2019 | $79.3M | $72.6M | $35.3M | $300.5M | $287.9M |
| 2018 | $50.7M | $39.6M | $45.9M | $239.7M | $227.1M |
| 2017 | $55.2M | $44.2M | $45.2M | $249M | $234.7M |
| 2016 | $41.4M | $31.5M | $44.4M | $217.8M | $206.1M |
| 2015 | $50.7M | $39.8M | $46.9M | $213.7M | $201.7M |
| 2014 | $40.6M | $31.4M | $43.9M | $216M | $202.8M |
| 2013 | $45.8M | $37.7M | $43.2M | $217.7M | $203.2M |
| 2012 | $47.3M | $37.7M | $44.2M | $202.7M | $187.6M |
| 2011 | $64.9M | $58M | $44.2M | $180.8M | $163.9M |
| 2021 | 990 | Data |
| 2020 | 990 | Data | PDF not yet published by IRS |
| 2019 | 990 | Data |
| 2018 | 990 | Data |
| 2017 | 990 | Data |
| 2016 | 990 | Data |
| 2015 | 990 | Data |
| 2014 | 990 | Data |
| 2013 | 990 | Data |
| 2012 | 990 | Data |
| 2011 | 990 | Data |
| 2010 | 990 | — |
| 2009 | 990 | — |
| 2008 | 990 | — |
| 2007 | 990 | — |
| 2006 | 990 | — |
| 2005 | 990 | — |
| 2004 | 990 | — |
| 2003 | 990 | — |
| 2002 | 990 | — |
| 2001 | 990 | — |
| VP Science & Conservation |
| 40 |
| $202K |
| $0 |
| $19.2K |
| $221.3K |
| Vickie Campbell | VP Visitor Operations | 40 | $186K | $0 | $17.4K | $203.4K |
| Deniz Piskin | VP Facilities & Constructi | 40 | $185.6K | $0 | $11.1K | $196.7K |
| Pete Lowry | Director Afica & Madagasca | 40 | $152K | $0 | $18.2K | $170.1K |
| Sean Doherty | VP Education | 40 | $149.1K | $0 | $11K | $160.1K |
| Glenda Abney | VP Sustainability | 40 | $141.6K | $0 | $14.9K | $156.6K |
| Carrie Richter | Controller | 40 | $138.1K | $0 | $3,248 | $141.3K |
Teresa Clark
VP Human Resources
$223.6K
Hrs/Wk
40
Compensation
$211.4K
Related Orgs
$0
Other
$12.1K
Andrew Wyatt
VP Horticulture
$223.1K
Hrs/Wk
40
Compensation
$202K
Related Orgs
$0
Other
$21K
Gunter Fischer
VP Science & Conservation
$221.3K
Hrs/Wk
40
Compensation
$202K
Related Orgs
$0
Other
$19.2K
Vickie Campbell
VP Visitor Operations
$203.4K
Hrs/Wk
40
Compensation
$186K
Related Orgs
$0
Other
$17.4K
Deniz Piskin
VP Facilities & Constructi
$196.7K
Hrs/Wk
40
Compensation
$185.6K
Related Orgs
$0
Other
$11.1K
Pete Lowry
Director Afica & Madagasca
$170.1K
Hrs/Wk
40
Compensation
$152K
Related Orgs
$0
Other
$18.2K
Sean Doherty
VP Education
$160.1K
Hrs/Wk
40
Compensation
$149.1K
Related Orgs
$0
Other
$11K
Glenda Abney
VP Sustainability
$156.6K
Hrs/Wk
40
Compensation
$141.6K
Related Orgs
$0
Other
$14.9K
Carrie Richter
Controller
$141.3K
Hrs/Wk
40
Compensation
$138.1K
Related Orgs
$0
Other
$3,248
| 1 |
| $0 |
| $0 |
| $0 |
| $0 |
| David M Hollo | Trustee | 1 | $0 | $0 | $0 | $0 |
| David W Kemper | Trustee | 1 | $0 | $0 | $0 | $0 |
| Dr Andrew Martin | Trustee | 1 | $0 | $0 | $0 | $0 |
| Dr Fred P Pestello | Trustee | 1 | $0 | $0 | $0 | $0 |
| Dr Jeff L Pittman | Trustee | 1 | $0 | $0 | $0 | $0 |
| Dr Kristin Sobolik | Trustee | 1 | $0 | $0 | $0 | $0 |
| Dr Toni M Kutchan | Trustee | 1 | $0 | $0 | $0 | $0 |
| Gabriela Burian | Trustee | 1 | $0 | $0 | $0 | $0 |
| James R Nowicke | Trustee | 1 | $0 | $0 | $0 | $0 |
| Jiamin L Dierberg | Trustee | 1 | $0 | $0 | $0 | $0 |
| John Lemkemeier | Trustee | 1 | $0 | $0 | $0 | $0 |
| John Saunders | Trustee | 1 | $0 | $0 | $0 | $0 |
| Joseph Sivewright | Trustee | 1 | $0 | $0 | $0 | $0 |
| June Mcallister Fowler | Trustee | 1 | $0 | $0 | $0 | $0 |
| Lelia J Farr | Trustee | 1 | $0 | $0 | $0 | $0 |
| Lori Samuels | Trustee | 1 | $0 | $0 | $0 | $0 |
| Michael W Riney | Trustee | 1 | $0 | $0 | $0 | $0 |
| Nancy Ross | Trustee | 1 | $0 | $0 | $0 | $0 |
| Nicholas L Reding | Trustee | 1 | $0 | $0 | $0 | $0 |
| Rex A Sinquefield | Trustee | 1 | $0 | $0 | $0 | $0 |
| Sam Page | Trustee | 1 | $0 | $0 | $0 | $0 |
| Scott C Schnuck | Trustee | 1 | $0 | $0 | $0 | $0 |
| Tina Hrevus | Trustee | 1 | $0 | $0 | $0 | $0 |
| Tishaura Jones | Trustee | 1 | $0 | $0 | $0 | $0 |
| W Stephen Maritz | Trustee | 1 | $0 | $0 | $0 | $0 |
Brian A Murphy
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Christopher A Koster
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Daniel A Burkhardt
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
David M Hollo
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
David W Kemper
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Dr Andrew Martin
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Dr Fred P Pestello
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Dr Jeff L Pittman
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Dr Kristin Sobolik
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Dr Toni M Kutchan
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Gabriela Burian
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
James R Nowicke
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Jiamin L Dierberg
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
John Lemkemeier
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
John Saunders
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Joseph Sivewright
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
June Mcallister Fowler
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Lelia J Farr
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Lori Samuels
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Michael W Riney
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Nancy Ross
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Nicholas L Reding
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Rex A Sinquefield
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Sam Page
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Scott C Schnuck
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Tina Hrevus
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
Tishaura Jones
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0
W Stephen Maritz
Trustee
$0
Hrs/Wk
1
Compensation
$0
Related Orgs
$0
Other
$0