| 2024 | The Lorenzo Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2024 | Grounds for Sculpture Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Lorenzo Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2023 | Grounds for Sculpture Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Friends of the Nantucket Historical Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Grounds for Sculpture Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Lorenzo Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2021 | Grounds for Sculpture Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | The Lorenzo Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2021 | Nantucket Arts Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Lorenzo Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2020 | Grounds for Sculpture Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Nantucket Arts Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Grounds for Sculpture Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Lorenzo Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2019 | Nantucket Arts Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Lorenzo Family Foundation | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2018 | Grounds for Sculpture Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Nantucket Arts Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Grounds for Sculpture Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Lorenzo Family Foundation | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2017 | Nantucket Arts Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Grounds for Sculpture Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Lorenzo Family Foundation | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2016 | Nantucket Arts Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Nantucket Arts Council Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Nantucket Arts Council Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2013 | Nantucket Arts Council Inc. | 990 | Director | 0.5 | $0 | $0 | View return |