| 2024 | Lancaster County Conservancy | 990 | Board Member | 5 | $0 | $0 | View return |
| 2024 | Association of Field Ornithologists Inc C/O W Gregory Shriver Treasurer | 990 | Liaison To Ars (Thru 05/24) | 1 | $0 | $0 | View return |
| 2024 | Fisheye Collaborative Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | Pennsylvania Master Naturalist | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2023 | Pennsylvania Master Naturalist | 990EZ | Board Member | 5 | $0 | $0 | View return |
| 2023 | Lancaster County Conservancy | 990 | Board Member | 5 | $0 | $0 | View return |
| 2023 | Association of Field Ornithologists Inc C/O W Gregory Shriver Treasurer | 990 | Liaison To Ars | 1 | $0 | $0 | View return |
| 2022 | Lancaster County Conservancy | 990 | Board Member | 5 | $0 | $0 | View return |
| 2022 | Pennsylvania Master Naturalist | 990EZ | Board Member | 5 | $0 | $0 | View return |
| 2022 | Association of Field Ornithologists Inc C/O W Gregory Shriver Treasurer | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Millport Conservancy | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2021 | Pennsylvania Master Naturalist | 990EZ | Board Member | 5 | $0 | $0 | View return |
| 2021 | Association of Field Ornithologists Inc C/O W Gregory Shriver Treasurer | 990 | Liason To Ars | 1 | $0 | $0 | View return |
| 2021 | Association of Field Ornithologists Inc C/O W Gregory Shriver Treasurer | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Lancaster County Conservancy | 990 | Board Member | 5 | $0 | $0 | View return |
| 2021 | Millport Conservancy | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2020 | Pennsylvania Master Naturalist | 990EZ | Board Member | 5 | $0 | $0 | View return |
| 2020 | Lancaster County Conservancy | 990 | Board Member | 5 | $0 | $0 | View return |
| 2020 | Association of Field Ornithologists Inc C/O W Gregory Shriver Treasurer | 990 | Past President | 1 | $0 | $0 | View return |
| 2020 | Millport Conservancy | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2019 | Association of Field Ornithologists Inc C/O W Gregory Shriver Treasurer | 990 | President | 1 | $0 | $0 | View return |
| 2019 | Pennsylvania Master Naturalist | 990EZ | Ex-Officio | 0 | $0 | $0 | View return |
| 2019 | North Museum Corporation | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Millport Conservancy | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2018 | Pennsylvania Master Naturalist | 990EZ | Ex-Officio | 0 | $0 | $0 | View return |
| 2018 | Association of Field Ornithologists Inc C/O W Gregory Shriver Treasurer | 990 | President | 1 | $0 | $0 | View return |
| 2018 | Millport Conservancy | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2017 | Association of Field Ornithologists Inc C/O W Gregory Shriver Treasurer | 990 | Vice President | 1 | $0 | $0 | View return |
| 2017 | Millport Conservancy | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2016 | Association of Field Ornithologists Inc C/O W Gregory Shriver Treasurer | 990 | Vice President (As Of 08/08/16) | 1 | $0 | $0 | View return |
| 2016 | Association of Field Ornithologists Inc C/O W Gregory Shriver Treasurer | 990 | Asst. Treasurer (Until 08/08/16) | 1 | $0 | $0 | View return |
| 2016 | Millport Conservancy | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2015 | Association of Field Ornithologists Inc C/O W Gregory Shriver Treasurer | 990 | Assistant Treasurer | 1 | $0 | $0 | View return |
| 2015 | Pennsylvania Master Naturalist | 990EZ | Secretary | 5 | $0 | - | View return |
| 2015 | Millport Conservancy | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2014 | Pennsylvania Master Naturalist | 990EZ | Secretary | 5 | $0 | - | View return |
| 2014 | Association of Field Ornithologists Inc C/O W Gregory Shriver Treasurer | 990 | Assistant Treasurer | 1 | $0 | $0 | View return |
| 2013 | Pennsylvania Master Naturalist | 990EZ | Secretary | 5 | $0 | - | View return |