| 2024 | United States Professional Tennis Association | 990 | President - North CAL Division | 5 | $0 | $0 | View return |
| 2024 | Helping Hands of Trigg County Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2023 | Helping Hands of Trigg County Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2023 | United States Professional Tennis Association | 990 | Regional VP-Norcal Division | 5 | $0 | $0 | View return |
| 2022 | Rapid Defense Network Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | New England State and Local Tax Forum | 990EZ | Director | 1 | $0 | $0 | View return |
| 2022 | Helping Hands of Trigg County Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2022 | United States Professional Tennis Association | 990 | Regional VP-Northern Cali-Div | 5 | $0 | $0 | View return |
| 2021 | Music Portland | 990EZ | Treasurer | 1.25 | $0 | $0 | View return |
| 2021 | Rapid Defense Network Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | New England State and Local Tax Forum | 990EZ | Director | 1 | $0 | $0 | View return |
| 2021 | Massachusetts Archaeological Society Inc. | 990EZ | Past President | 2 | $0 | $0 | View return |
| 2021 | Helping Hands of Trigg County Inc. | 990 | Director | 20 | $0 | $0 | View return |
| 2020 | Massachusetts Archaeological Society Inc. | 990EZ | Past President | 2 | $0 | $0 | View return |
| 2020 | Helping Hands of Trigg County Inc. | 990 | Director | 20 | $0 | $0 | View return |
| 2019 | David Graham Foundation C/O Philip H Graham | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2019 | Massachusetts Archaeological Society Inc. | 990EZ | Past President | 2 | $0 | $0 | View return |
| 2019 | Helping Hands of Trigg County Inc. | 990 | Director | 10 | $0 | $0 | View return |
| 2018 | Massachusetts Archaeological Society Inc. | 990EZ | Past President | 2 | $0 | $0 | View return |
| 2018 | Helping Hands of Trigg County Inc. | 990EZ | Director | 10 | $0 | $0 | View return |
| 2017 | David Graham Foundation C/O Philip H Graham | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2017 | Helping Hands of Trigg County Inc. | 990EZ | Director | 4 | $0 | $0 | View return |
| 2017 | Massachusetts Archaeological Society Inc. | 990EZ | Past President | 2 | $0 | - | View return |
| 2017 | St Anthony'S Hospital Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Shingletown Medical Center | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | David Graham Foundation C/O Philip H Graham | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2016 | St Anthony'S Hospital Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Curebound Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | Massachusetts Archaeological Society Inc. | 990EZ | Past President | 2 | $0 | - | View return |
| 2016 | Helping Hands of Trigg County Inc. | 990EZ | Director | 5 | $0 | $0 | View return |
| 2016 | Shingletown Medical Center | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | St Anthony'S Hospital Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Helping Hands of Trigg County Inc. | 990EZ | Director | 8 | $0 | $0 | View return |
| 2015 | Massachusetts Archaeological Society Inc. | 990EZ | President | 5 | $0 | - | View return |
| 2015 | David Graham Foundation C/O Philip H Graham | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2015 | Curebound Inc. | 990 | Diector | 2 | $0 | $0 | View return |
| 2015 | Shingletown Medical Center | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | St Anthony'S Hospital Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Massachusetts Archaeological Society Inc. | 990EZ | President | 5 | $0 | - | View return |
| 2014 | Curebound Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | David Graham Foundation C/O Philip H Graham | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2014 | Shingletown Medical Center | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Helping Hands of Trigg County Inc. | 990EZ | Director | 5 | $0 | $0 | View return |
| 2013 | David Graham Foundation C/O Philip H Graham | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2013 | Massachusetts Archaeological Society Inc. | 990EZ | President | 5 | $0 | - | View return |
| 2013 | St Anthony'S Hospital Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Curebound Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Shingletown Medical Center | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Helping Hands of Trigg County Inc. | 990EZ | Director | 8 | $0 | $0 | View return |
| 2012 | David Graham Foundation C/O Philip H Graham | 990PF | Trustee | 1 | $0 | $0 | View return |