| 2024 | Solon E Summerfield Foundation Inc. | 990PF | Director | 5 | $5,000 | $0 | View return |
| 2024 | Denton Cemetery Association of Caroline County | 990EZ | Vice President | 0.1 | $0 | $0 | View return |
| 2024 | Bikeshare Hawaii | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Solon E Summerfield Foundation Inc. | 990PF | Director | 5 | $5,000 | $0 | View return |
| 2023 | The Caroline County Historical Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Hawaii Local 2030 Hub | 990 | Director | 5 | $0 | $0 | View return |
| 2023 | Denton Cemetery Association of Caroline County | 990EZ | Vice President | 0.1 | $0 | $0 | View return |
| 2023 | Bikeshare Hawaii | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | University of Hawaii Foundation | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2022 | United Steelworkers International Union Local 07912 | 990 | President | 10 | $10,348 | $0 | View return |
| 2022 | Solon E Summerfield Foundation Inc. | 990PF | Director | 5 | $5,000 | $0 | View return |
| 2022 | Bikeshare Hawaii | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Denton Cemetery Association of Caroline County | 990EZ | Vice President | 0.1 | $0 | $0 | View return |
| 2022 | Hawaii Housing Development Corporation | 990 | Chairman | 2 | $0 | $0 | View return |
| 2022 | Hawaii Local 2030 Hub | 990 | Director | 5 | $0 | $0 | View return |
| 2021 | Solon E Summerfield Foundation Inc. | 990PF | Director | 5 | $5,000 | $0 | View return |
| 2021 | United Steelworkers International Union Local 07912 | 990 | President | 10 | $1,176 | $0 | View return |
| 2021 | Hawaii Housing Development Corporation | 990 | Chairman | 2 | $0 | $0 | View return |
| 2021 | Denton Cemetery Association of Caroline County | 990EZ | Vice President | 0.1 | $0 | $0 | View return |
| 2021 | Bikeshare Hawaii | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Solon E Summerfield Foundation Inc. | 990PF | Director (Began 07/28/2020) | 5 | $2,500 | $0 | View return |
| 2020 | Bikeshare Hawaii | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Denton Cemetery Association of Caroline County | 990EZ | Vice President | 0.1 | $0 | $0 | View return |
| 2020 | Hawaii Housing Development Corporation | 990 | Chairman | 2 | $0 | $0 | View return |
| 2019 | Hawaii Housing Development Corporation | 990 | Chairman | 2 | $0 | $0 | View return |
| 2019 | Denton Cemetery Association of Caroline County | 990EZ | Vice President | 0.1 | $0 | $0 | View return |
| 2019 | Bikeshare Hawaii | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The North Shore Community Land Trust | 990 | Advisory Board Member | 1 | $0 | $0 | View return |
| 2018 | Bikeshare Hawaii | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Denton Cemetery Association of Caroline County | 990EZ | Vice President | 0.1 | $0 | $0 | View return |
| 2017 | Bikeshare Hawaii | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Denton Cemetery Association of Caroline County | 990EZ | Vice President | 0.1 | $0 | $0 | View return |
| 2017 | The North Shore Community Land Trust | 990 | Advisory Board Member | 1 | $0 | $0 | View return |
| 2016 | Denton Cemetery Association of Caroline County | 990EZ | Vice President | 0.1 | $0 | $0 | View return |
| 2015 | Denton Cemetery Association of Caroline County | 990EZ | Vice President | 0.1 | $0 | $0 | View return |
| 2014 | Denton Cemetery Association of Caroline County | 990EZ | Vice President | 0.1 | $0 | $0 | View return |
| 2014 | Fernbank Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Fernbank Inc. | 990 | Board Member | 1 | - | - | View return |
| 2013 | Denton Cemetery Association of Caroline County | 990EZ | Vice President | 0.5 | $0 | $0 | View return |
| 2013 | Punahou School | 990 | Trustee | 1 | $0 | $0 | View return |