| 2024 | Acoustical Society of America | 990 | Council Member | 1 | $0 | $0 | View return |
| 2024 | International Society for Neuroethology | 990 | President | 6 | $0 | $0 | View return |
| 2023 | Amboseli Trust for Elephants | 990 | Program Director | 40 | $55,991 | $0 | View return |
| 2023 | African Elephant Conservation Trust | 990 | Program Dire | - | $0 | $55,991 | View return |
| 2023 | Acoustical Society of America | 990 | Council Member | 1 | $0 | $0 | View return |
| 2023 | Beads for Education Inc | 990 | Board Member | - | $0 | $0 | View return |
| 2023 | International Society for Neuroethology | 990 | President-Elect | 2 | $0 | $0 | View return |
| 2022 | Amboseli Trust for Elephants | 990 | Program Director | 40 | $54,197 | $0 | View return |
| 2022 | African Elephant Conservation Trust | 990 | Program Dire | 40 | $0 | $54,197 | View return |
| 2022 | International Society for Neuroethology | 990 | President-Elect | 1 | $0 | $0 | View return |
| 2022 | Beads for Education Inc | 990 | Board Member | - | $0 | $0 | View return |
| 2021 | Amboseli Trust for Elephants | 990 | Program Director | 40 | $50,307 | $0 | View return |
| 2021 | African Elephant Conservation Trust | 990 | Key Employee | 40 | $0 | $0 | View return |
| 2021 | Beads for Education Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2021 | United Steelworkers International | 990EZ | Recording Secretary | 5 | $0 | - | View return |
| 2020 | Amboseli Trust for Elephants | 990 | Program Director | 40 | $47,911 | $0 | View return |
| 2020 | African Elephant Conservation Trust | 990 | Key Employee | 40 | $0 | $0 | View return |
| 2020 | Beads for Education Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2019 | Amboseli Trust for Elephants | 990 | Program Director | 40 | $45,630 | $0 | View return |
| 2019 | African Elephant Conservation Trust | 990 | Key Employee | 40 | $0 | $0 | View return |
| 2019 | Beads for Education Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2018 | Amboseli Trust for Elephants | 990 | Program Director | 40 | $89,086 | $0 | View return |
| 2018 | African Elephant Conservation Trust | 990 | Key Employee | 40 | $0 | $89,086 | View return |
| 2018 | Beads for Education Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2017 | Amboseli Trust for Elephants | 990 | Program Director | 40 | $84,844 | $0 | View return |
| 2017 | African Elephant Conservation Trust | 990 | Key Employee | 40 | $0 | $84,844 | View return |
| 2017 | Beads for Education Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2016 | Amboseli Trust for Elephants | 990 | Program Director | 40 | $82,775 | $0 | View return |
| 2016 | African Elephant Conservation Trust | 990 | Key Employee | 40 | $0 | $82,775 | View return |
| 2016 | Beads for Education Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2015 | Amboseli Trust for Elephants | 990 | Program Director | 40 | $0 | $75,250 | View return |
| 2015 | African Elephant Conservation Trust | 990 | Key Employee | 40 | $0 | $75,250 | View return |
| 2015 | Mobilization Resources | 990 | Events Coordinator | 10 | $0 | $0 | View return |
| 2014 | Mobilization Resources | 990 | Events Coordinator | 10 | $2,100 | $0 | View return |
| 2014 | Amboseli Trust for Elephants | 990 | Program Director | 40 | $0 | $68,979 | View return |
| 2013 | Amboseli Trust for Elephants | 990 | Program Director | 40 | $75,250 | $0 | View return |
| 2013 | Grace Playschool | 990 | Secretary | 2.5 | $0 | $0 | View return |