| 2024 | American Water Works Association | 990 | President/Immed Past Pres. | 1 | $0 | $0 | View return |
| 2024 | Colmar Volunteer Fire Company Historical Society Foundation | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2024 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | Colmar Volunteer Fire Company Historical Society LLC | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2023 | University of Arizona Applied Research Corporation | 990 | Vice President, Hypersonic | 40 | $179,856 | $0 | View return |
| 2023 | Colmar Volunteer Fire Company Historical Society LLC | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2023 | Colmar Volunteer Fire Company Historical Society Foundation | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2023 | American Water Works Association | 990 | President-Elect/President (Beg Jun) | 1 | $0 | $0 | View return |
| 2023 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | University of Arizona Applied Research Corporation | 990 | Vice President, Hypersonic | 40 | $175,059 | $0 | View return |
| 2022 | Colmar Volunteer Fire Company Historical Society Foundation | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2022 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Colmar Volunteer Fire Company Historical Society LLC | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2022 | American Water Works Association | 990 | President-Elect | 1 | $0 | $0 | View return |
| 2021 | University of Arizona Applied Research Corporation | 990 | Vice President, Hypersonic | 40 | $164,977 | $0 | View return |
| 2021 | Colmar Volunteer Fire Company Historical Society Foundation | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2021 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | American Water Works Association | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | American Water Works Association | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | University of Arizona Applied Research Corporation | 990 | Vice President, Hypersonic Research And Technology | 40 | $157,432 | $0 | View return |
| 2019 | American Water Works Association | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | World Presidents Organization | 990 | Board Members At Large | 1 | $0 | $0 | View return |
| 2014 | Clockwise Theatre | 990EZ | Vice Presidenttreasurer | 40 | $0 | $0 | View return |
| 2014 | West Virginia Psychological Association | 990EZ | At Large | 1 | $0 | - | View return |
| 2014 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | California Shortline Railroad Assoc | 990EZ | Director | 1 | $0 | $0 | View return |
| 2013 | National Association of Water Companies | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | The Needham Education Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | California Shortline Railroad Assoc | 990EZ | Director | 1 | $0 | $0 | View return |