| 2025 | Ohio Christmas Tree Association Inc | 990EZ | Board Member | 0 | $0 | - | View return |
| 2024 | Ohio Christmas Tree Association Inc | 990EZ | Board Member | 0.5 | $0 | - | View return |
| 2024 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2023 | Ohio Christmas Tree Association Inc | 990EZ | Board Member | 0 | $0 | - | View return |
| 2023 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2023 | Boardman Arts Park Inc. | 990EZ | Vice Preside | 3 | $0 | - | View return |
| 2022 | Ohio Christmas Tree Association Inc | 990EZ | Board Member | 0 | $0 | - | View return |
| 2022 | Boardman Arts Park Inc. | 990EZ | Vice President | 0 | $0 | $0 | View return |
| 2022 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2022 | Boardman Arts Park Inc. | 990EZ | Vice Preside | 3 | $0 | - | View return |
| 2021 | Delaware County Historical Society | 990 | Trustee | 6 | $0 | $0 | View return |
| 2021 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2020 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2020 | Delaware County Historical Society | 990 | Trustee | 6 | $0 | $0 | View return |
| 2019 | Ohio Christmas Tree Association Inc | 990EZ | Vice Preside | 0 | $0 | - | View return |
| 2019 | Delaware County Historical Society | 990 | Trustee | 6 | $0 | $0 | View return |
| 2019 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2019 | Miami Country Day School Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Ohio Christmas Tree Association Inc | 990EZ | Vice Preside | 1 | $0 | - | View return |
| 2018 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2018 | Delaware County Historical Society | 990 | Trustee | 10 | $0 | $0 | View return |
| 2018 | The Parkside of Morton Inc | 990 | Treasurer | 0.25 | $0 | $0 | View return |
| 2018 | Miami Country Day School Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The Parkside of Morton Inc | 990 | Secretary | 0.25 | $0 | $0 | View return |
| 2017 | Main Street Delaware Inc. | 990EZ | Trustee | 0 | $0 | $0 | View return |
| 2017 | Delaware County Historical Society | 990 | Member | 10 | $0 | $0 | View return |
| 2017 | Ohio Christmas Tree Association Inc | 990EZ | Board Member | 2 | $0 | - | View return |
| 2017 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2017 | Miami Country Day School Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2016 | Delaware County Historical Society | 990 | Vice President | 10 | $0 | $0 | View return |
| 2016 | Ohio Christmas Tree Association Inc | 990EZ | Board Member | 2 | $0 | - | View return |
| 2016 | The Parkside of Morton Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2016 | Main Street Delaware Inc. | 990EZ | Trustee | 0 | $0 | $0 | View return |
| 2016 | Greater Boca Youth Soccer Association Inc. | 990 | Insurance Director | 5 | $0 | $0 | View return |
| 2016 | Miami Country Day School Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Industrial Aid Inc. | 990 | President | 0 | $0 | $0 | View return |
| 2015 | Miami Country Day School Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Parkside of Morton Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2015 | Oregon State Council of Perioperative Nurses | 990EZ | Past Preside | 1 | $0 | - | View return |
| 2015 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2015 | Greater Boca Youth Soccer Association Inc. | 990 | Insurance Director | 5 | $0 | $0 | View return |
| 2014 | Doula Program to Accompany and Comfort Inc. | 990EZ | Board Director | 2 | $0 | - | View return |
| 2014 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2014 | Oregon State Council of Perioperative Nurses | 990EZ | President | 1 | $0 | - | View return |
| 2014 | Industrial Aid Inc. | 990 | President | 0 | $0 | $0 | View return |
| 2014 | Greater Boca Youth Soccer Association Inc. | 990 | Insurance Director | 5 | $0 | $0 | View return |
| 2013 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2013 | Industrial Aid Inc. | 990 | President | 0 | $0 | $0 | View return |
| 2013 | Oregon State Council of Perioperative Nurses | 990EZ | President Elect | 1 | $0 | - | View return |
| 2012 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2011 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2010 | The Koch Family Charitable Foundation C/O Roger Koch Trustee | 990PF | Trustee | 0 | $0 | $0 | View return |