| 2024 | Caledonian Club of San Francisco | 990 | 2nd Chieftain | 12 | $0 | $0 | View return |
| 2024 | The Gordon J & Ruth M Macdonald Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2023 | Free and Accepted Masons of Tennessee | 990 | Trustee | 0 | $0 | $0 | View return |
| 2023 | The Gordon J & Ruth M Macdonald Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2023 | Caledonian Club of San Francisco | 990 | 2nd Chieftain | 12 | $0 | $0 | View return |
| 2022 | Caledonian Club of San Francisco | 990 | 2nd Chieftain | 12 | $0 | $0 | View return |
| 2022 | Free and Accepted Masons of Tennessee | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Gordon J & Ruth M Macdonald Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2021 | University of Prince Edward Island | 990 | Professor | 0 | $141,650 | $0 | View return |
| 2021 | Caledonian Club of San Francisco | 990 | 2nd Chieftain | 12 | $0 | $0 | View return |
| 2021 | Free and Accepted Masons of Tennessee | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | The Gordon J & Ruth M Macdonald Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2020 | Free and Accepted Masons of Tennessee | 990 | Trustee | 0 | $0 | $0 | View return |
| 2020 | Caledonian Club of San Francisco | 990 | 2nd Chieftain | 12 | $0 | $0 | View return |
| 2020 | The Gordon J & Ruth M Macdonald Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2019 | Caledonian Club of San Francisco | 990 | 2nd Chieftain | 12 | $0 | $0 | View return |
| 2019 | The Gordon J & Ruth M Macdonald Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2018 | The Gordon J & Ruth M Macdonald Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2018 | Caledonian Club of San Francisco | 990 | 2nd Chieftain | 12 | $0 | $0 | View return |
| 2017 | The Gordon J & Ruth M Macdonald Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2017 | Caledonian Club of San Francisco | 990 | 2nd Chieftain | 12 | $0 | $0 | View return |
| 2017 | Projecto Honduras | 990EZ | Board Member | 8 | $0 | - | View return |
| 2017 | Contra Costa Kops for Kids | 990EZ | Director | 1 | $0 | - | View return |
| 2016 | The Gordon J & Ruth M Macdonald Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2016 | National Conference of Bar Examiners | 990 | Trustee | 6 | $0 | $0 | View return |
| 2016 | Caledonian Club of San Francisco | 990 | 2nd Chieftain | 12 | $0 | $0 | View return |
| 2016 | Projecto Honduras | 990EZ | Board Member | 8 | $0 | - | View return |
| 2016 | Contra Costa Kops for Kids | 990EZ | Secretary | 1 | $0 | - | View return |
| 2016 | Wave Aquatics | 990 | President | 10 | $0 | $0 | View return |
| 2015 | Caledonian Club of San Francisco | 990 | 2nd Chieftain | 12 | $0 | $0 | View return |
| 2015 | National Conference of Bar Examiners | 990 | Trustee | 6 | $0 | $0 | View return |
| 2015 | The Gordon J & Ruth M Macdonald Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2015 | Projecto Honduras | 990EZ | Board Member | 8 | $0 | - | View return |
| 2015 | Contra Costa Kops for Kids | 990EZ | Director | 0.25 | $0 | - | View return |
| 2015 | Wave Aquatics | 990 | President | 2 | $0 | $0 | View return |
| 2014 | Wave Aquatics | 990 | President | 10 | $1,725 | $0 | View return |
| 2014 | The Gordon J & Ruth M Macdonald Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2014 | National Conference of Bar Examiners | 990 | Trustee | 6 | $0 | $0 | View return |
| 2014 | Caledonian Club of San Francisco | 990 | 2nd Chieftain | 12 | $0 | $0 | View return |
| 2014 | Contra Costa Kops for Kids | 990EZ | Director | 0.25 | $0 | - | View return |
| 2013 | Wave Aquatics | 990 | President | 10 | $1,380 | $0 | View return |
| 2013 | Caledonian Club of San Francisco | 990 | 2nd Chieftain | 12 | $547 | $0 | View return |
| 2013 | The Gordon J & Ruth M Macdonald Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2012 | The Gordon J & Ruth M Macdonald Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2011 | The Gordon J & Ruth M Macdonald Foundation | 990PF | President | 1 | $0 | $0 | View return |