| 2024 | William K Stewart Sr Foundation | 990PF | Director And President | 0.2 | $0 | $0 | View return |
| 2024 | William G Stewart Family Foundation Inc. | 990PF | Trustee | 1 | $0 | - | View return |
| 2024 | Stewart Family Foundation | 990PF | Foundation Mgr. | 0 | $0 | - | View return |
| 2024 | The Children'S Museum of Cleveland | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | Yale Alumni Association of Cleveland | 990EZ | Trustee | 1 | $0 | $0 | View return |
| 2023 | William G Stewart Family Foundation Inc. | 990PF | Trustee | 1 | $0 | - | View return |
| 2023 | Stewart Family Foundation | 990PF | Foundation Mgr. | 0 | $0 | - | View return |
| 2023 | The Children'S Museum of Cleveland | 990 | Board Member | 0 | $0 | $0 | View return |
| 2023 | William K Stewart Sr Foundation | 990PF | Director And President | 0.2 | $0 | $0 | View return |
| 2023 | Yale Alumni Association of Cleveland | 990EZ | Trustee | 1 | $0 | $0 | View return |
| 2023 | Yale Alumni Scholarship of Cleveland Inc | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2022 | Yale Alumni Association of Cleveland | 990EZ | Life Trustee | 1 | $0 | $0 | View return |
| 2022 | William G Stewart Family Foundation Inc. | 990PF | Trustee | 1 | $0 | - | View return |
| 2022 | The Children'S Museum of Cleveland | 990 | Board Member | 0 | $0 | $0 | View return |
| 2022 | Stewart Family Foundation | 990PF | Foundation Mgr. | 0 | $0 | - | View return |
| 2022 | William K Stewart Sr Foundation | 990PF | Secretary | 0.2 | $0 | $0 | View return |
| 2021 | William G Stewart Family Foundation Inc. | 990PF | Trustee | 1 | $0 | - | View return |
| 2021 | Stewart Family Foundation | 990PF | Foundation Mgr. | 0 | $0 | - | View return |
| 2021 | The Children'S Museum of Cleveland | 990 | Member Of Board | 0 | $0 | $0 | View return |
| 2021 | William K Stewart Sr Foundation | 990PF | Secretary | 0.2 | $0 | $0 | View return |
| 2021 | Yale Alumni Association of Cleveland | 990EZ | Life Trustee | 1 | $0 | $0 | View return |
| 2020 | The Children'S Museum of Cleveland | 990 | Board Chair | 0 | $0 | $0 | View return |
| 2020 | Stewart Family Foundation | 990PF | Foundation Mgr. | 0 | $0 | - | View return |
| 2020 | The Children'S Museum of Cleveland | 990 | Board Chair | 0 | $0 | $0 | View return |
| 2020 | William G Stewart Family Foundation Inc. | 990PF | Trustee | 1 | $0 | - | View return |
| 2020 | Yale Alumni Scholarship of Cleveland Inc | 990 | Trustee | 0.01 | $0 | $0 | View return |
| 2020 | Yale Alumni Association of Cleveland | 990EZ | Trustee | 1 | $0 | $0 | View return |
| 2020 | William K Stewart Sr Foundation | 990PF | Secretary | 0.2 | $0 | $0 | View return |
| 2019 | William G Stewart Family Foundation Inc. | 990PF | Trustee | 1 | $0 | - | View return |
| 2019 | Stewart Family Foundation | 990PF | Foundation Mgr. | 0 | $0 | - | View return |
| 2019 | The Children'S Museum of Cleveland | 990 | Board Chair | 0 | $0 | $0 | View return |
| 2019 | The Children'S Museum of Cleveland | 990 | Board Chair | 0 | $0 | $0 | View return |
| 2019 | Yale Alumni Scholarship of Cleveland Inc | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2018 | William G Stewart Family Foundation Inc. | 990PF | Trustee | 1 | $0 | - | View return |
| 2018 | The Children'S Museum of Cleveland | 990 | Board Chair | 0 | $0 | $0 | View return |
| 2018 | Winchendon Community Action Committee Inc. | 990EZ | President | 0 | $0 | - | View return |
| 2018 | Yale Alumni Association of Cleveland | 990EZ | President | 1 | $0 | $0 | View return |
| 2017 | William G Stewart Family Foundation Inc. | 990PF | Trustee | 1 | $0 | - | View return |
| 2017 | The Children'S Museum of Cleveland | 990 | Vice Chair | 0 | $0 | $0 | View return |
| 2017 | Yale Alumni Association of Cleveland | 990EZ | President | 1 | $0 | $0 | View return |
| 2017 | Winchendon Community Action Committee Inc. | 990EZ | President | 3 | $0 | - | View return |
| 2016 | The Children'S Museum of Cleveland | 990 | Vice Chair | 0 | $0 | $0 | View return |
| 2016 | William G Stewart Family Foundation Inc. | 990PF | Trustee | 1 | $0 | - | View return |
| 2016 | Winchendon Community Action Committee Inc. | 990EZ | President | 10 | $0 | - | View return |
| 2015 | William G Stewart Family Foundation Inc. | 990PF | Trustee | 0 | $0 | - | View return |
| 2015 | The Children'S Museum of Cleveland | 990 | Secretary | 0 | $0 | $0 | View return |
| 2014 | The Children'S Museum of Cleveland | 990 | Secretary | 0 | $0 | $0 | View return |
| 2014 | William G Stewart Family Foundation Inc. | 990PF | Trustee | 0 | $0 | - | View return |
| 2013 | William G Stewart Family Foundation Inc. | 990PF | Trustee | 0 | $0 | - | View return |
| 2013 | The Children'S Museum of Cleveland | 990 | Member Of Board | 0 | $0 | $0 | View return |
| 2011 | William G Stewart Family Foundation Inc. | 990PF | Trustee | 0 | $0 | - | View return |
| 2010 | William G Stewart Family Foundation Inc. | 990PF | Trustee | 0 | $0 | - | View return |