| 2024 | Rose Valley Museum & Historical Soc | 990EZ | Vice Preside | 1 | $0 | - | View return |
| 2024 | Howell Family Foundation Under Declaration of Tr 06171998 | 990PF | Trustee | 0 | $0 | - | View return |
| 2023 | Open Space Institute Inc. | 990 | Exe VP Conserv CAP. & Re (Outgoing) | 2 | $30,515 | $0 | View return |
| 2023 | Open Space Institute Land Trust Inc. | 990 | Exe. VP Cons. CAP. & Re (Outgoing) | 38 | $0 | $30,515 | View return |
| 2023 | Howell Family Foundation Under Declaration of Tr 06171998 | 990PF | Trustee | 0 | $0 | - | View return |
| 2023 | Rose Valley Museum & Historical Soc | 990EZ | Program Coor | 1 | $0 | - | View return |
| 2022 | Open Space Institute Inc. | 990 | Exe. VP Conserv. CAP. & Research | 2 | $270,456 | $0 | View return |
| 2022 | Open Space Institute Land Trust Inc. | 990 | Executive Vice President Conservation Capital & Re | 38 | $0 | $270,456 | View return |
| 2022 | Howell Family Foundation Under Declaration of Tr 06171998 | 990PF | Trustee | 0 | $0 | - | View return |
| 2022 | Rose Valley Museum & Historical Soc | 990EZ | Program Coor | 1 | $0 | - | View return |
| 2022 | Atlantic Salmon Federation (Us) Inc | 990 | Director (End 9/2023) | 0.5 | $0 | $0 | View return |
| 2021 | Open Space Institute Inc. | 990 | Executive VP, Conservation | 2 | $265,001 | $0 | View return |
| 2021 | Open Space Institute Land Trust Inc. | 990 | Executive VP, Conservation | 38 | $0 | $265,001 | View return |
| 2021 | Howell Family Foundation Under Declaration of Tr 06171998 | 990PF | Trustee | 0 | $0 | - | View return |
| 2021 | Rose Valley Museum & Historical Soc | 990EZ | Program Coor | 1 | $0 | - | View return |
| 2020 | Open Space Institute Inc. | 990 | Executive VP, Conservation | 2 | $253,904 | $0 | View return |
| 2020 | Open Space Institute Land Trust Inc. | 990 | Executive VP, Conservation | 38 | $0 | $253,904 | View return |
| 2020 | Howell Family Foundation Under Declaration of Tr 06171998 | 990PF | Trustee | 0 | $0 | - | View return |
| 2020 | Atlantic Salmon Federation (Us) Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2020 | Rose Valley Museum & Historical Soc | 990EZ | Program Dire | 1 | $0 | - | View return |
| 2019 | Open Space Institute Inc. | 990 | Executive VP, Conservation | 38 | $254,553 | $0 | View return |
| 2019 | Open Space Institute Land Trust Inc. | 990 | Executive VP, Conservation | 2 | $0 | $254,553 | View return |
| 2019 | Howell Family Foundation Under Declaration of Tr 06171998 | 990PF | Trustee | 0 | $0 | - | View return |
| 2019 | Atlantic Salmon Federation (Us) Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2018 | Open Space Institute Inc. | 990 | Executive VP, Conservation | 38 | $247,869 | $0 | View return |
| 2018 | Open Space Institute Land Trust Inc. | 990 | Executive VP, Conservation | 38 | $0 | $247,869 | View return |
| 2018 | Howell Family Foundation Under Declaration of Tr 06171998 | 990PF | Trustee | 0 | $0 | - | View return |
| 2018 | Atlantic Salmon Federation (Us) Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2017 | Open Space Institute Inc. | 990 | Executive VP, Conservation | 1 | $240,633 | $0 | View return |
| 2017 | Open Space Institute Land Trust Inc. | 990 | Executive VP, Conservation | 38 | $0 | $240,633 | View return |
| 2017 | Howell Family Foundation Under Declaration of Tr 06171998 | 990PF | Trustee | 0 | $0 | - | View return |
| 2016 | Open Space Institute Land Trust Inc. | 990 | Executive VP, Conservation | 35 | $240,988 | $0 | View return |
| 2016 | Open Space Institute Inc. | 990 | Executive VP, Conservation | 1.5 | $0 | $240,988 | View return |
| 2016 | Howell Family Foundation Under Declaration of Tr 06171998 | 990PF | Trustee | 0 | $0 | - | View return |
| 2016 | The Miramichi Salmon Association (Us) Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | Atlantic Salmon Federation (Us) Inc | 990 | Treasurer (End 11/16)/Director | 0.5 | $0 | $0 | View return |
| 2015 | Open Space Institute Land Trust Inc. | 990 | Executive VP, Conservation Capital | 33.5 | $234,017 | $0 | View return |
| 2015 | Open Space Institute Inc. | 990 | Executive VP, Conservation Capital | 1.5 | $0 | $234,017 | View return |
| 2015 | The Miramichi Salmon Association (Us) Inc | 990 | Director | - | $0 | $0 | View return |
| 2015 | Howell Family Foundation Under Declaration of Tr 06171998 | 990PF | Trustee | 0 | $0 | - | View return |
| 2015 | Atlantic Salmon Federation (Us) Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2014 | Open Space Institute Land Trust Inc. | 990 | Executive VP, Conservation Capital | 33.5 | $229,186 | $0 | View return |
| 2014 | Open Space Institute Inc. | 990 | Executive VP, Conservation Capital | 1.5 | $0 | $229,186 | View return |
| 2014 | Howell Family Foundation Under Declaration of Tr 06171998 | 990PF | Trustee | 0 | $0 | - | View return |
| 2014 | Colorado Medical Group Management Association | 990EZ | Member At Large | 1 | $0 | - | View return |
| 2014 | Atlantic Salmon Federation (Us) Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2013 | Open Space Institute Inc. | 990 | Executive VP, Conservation Capital | 1.5 | $8,049 | $204,292 | View return |
| 2013 | Howell Family Foundation Under Declaration of Tr 06171998 | 990PF | Trustee | 0 | $0 | - | View return |
| 2013 | Talbot Mentors Inc. | 990 | Secretary | 2 | $0 | $0 | View return |
| 2013 | Free & Accepted Masons of Indiana | 990 | Js | 1 | $0 | $0 | View return |
| 2013 | Colorado Medical Group Management Association | 990EZ | Member At Large | 1 | $0 | - | View return |
| 2013 | Atlantic Salmon Federation (Us) Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2012 | Howell Family Foundation Under Declaration of Tr 06171998 | 990PF | Trustee | 0 | $0 | - | View return |
| 2011 | Howell Family Foundation Under Declaration of Tr 06171998 | 990PF | Trustee | 0 | $0 | - | View return |