| 2025 | International Elephant Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Denver Zoological Foundation Inc. | 990 | Chief Conser | 45 | $238,095 | $0 | View return |
| 2024 | International Elephant Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Denver Zoological Foundation Inc. | 990 | Life Science | 50 | $230,077 | $0 | View return |
| 2023 | International Elephant Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Denver Zoological Foundation Inc. | 990 | Life Science | 50 | $191,594 | $0 | View return |
| 2022 | International Elephant Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | International Elephant Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Denver Zoological Foundation Inc. | 990 | Senior VP Of Animal Science | 50 | $233,999 | $0 | View return |
| 2021 | International Elephant Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Denver Zoological Foundation Inc. | 990 | Senior VP Of Animal Sciences | 50 | $195,115 | $0 | View return |
| 2020 | International Elephant Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Denver Zoological Foundation Inc. | 990 | Senior VP Of Animal Sciences | 50 | $184,680 | $0 | View return |
| 2019 | International Elephant Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Denver Zoological Foundation Inc. | 990 | Sr VP For Animal Science | 40 | $182,276 | $0 | View return |
| 2018 | International Elephant Foundation | 990 | Director | - | $0 | $0 | View return |
| 2017 | Denver Zoological Foundation Inc. | 990 | Senior VP For Animal Sciences | 40 | $166,299 | $0 | View return |
| 2017 | International Elephant Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Denver Zoological Foundation Inc. | 990 | Senior VP Of Animal Care A | 40 | $161,789 | $0 | View return |
| 2015 | Denver Zoological Foundation Inc. | 990 | Senior VP Of Animal Care And Conservation | 40 | $158,853 | $0 | View return |
| 2014 | Denver Zoological Foundation Inc. | 990 | General Curator | 40 | $126,011 | $0 | View return |
| 2013 | Denver Zoological Foundation Inc. | 990 | General Curator | 40 | $101,164 | $0 | View return |