| 2024 | Association of Quartermaster Officers Inc | 990EZ | Director | 35 | $41,125 | $0 | View return |
| 2024 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |
| 2024 | The Island Autism Group Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | North Side Christian Health Center | 990 | President Through May 2025 | 1 | $0 | $0 | View return |
| 2023 | Association of Quartermaster Officers Inc | 990EZ | Director | 35 | $54,630 | $0 | View return |
| 2023 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |
| 2023 | Hotchkiss Library of Sharon Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Energy Consumers Alliance of New England Inc | 990 | Board President | 0.5 | $0 | $0 | View return |
| 2023 | North Side Christian Health Center | 990 | Vice President | 1 | $0 | $0 | View return |
| 2022 | Association of Quartermaster Officers Inc | 990EZ | Director | 35 | $50,624 | $0 | View return |
| 2022 | Thames River Heritage Park Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |
| 2022 | Spanish Peaks Arts Council | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2022 | Hotchkiss Library of Sharon Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | North Side Christian Health Center | 990 | Vice President | 40 | $0 | $0 | View return |
| 2022 | Energy Consumers Alliance of New England Inc | 990 | Board President | 2 | $0 | $0 | View return |
| 2022 | Canterbury Choral Society Inc. | 990 | Director | 3 | $0 | $0 | View return |
| 2021 | Boston Higashi School Inc. | 990 | Principal | 35 | $192,109 | $0 | View return |
| 2021 | Association of Quartermaster Officers Inc | 990EZ | Director | 35 | $36,202 | $0 | View return |
| 2021 | Thames River Heritage Park Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Spanish Peaks Arts Council | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2021 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |
| 2021 | North Side Christian Health Center | 990 | Vice President | 40 | $0 | $0 | View return |
| 2021 | Canterbury Choral Society Inc. | 990 | Director | 3 | $0 | $0 | View return |
| 2021 | Hotchkiss Library of Sharon Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Energy Consumers Alliance of New England Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Boston Higashi School Inc. | 990 | Principal | 44 | $179,102 | $0 | View return |
| 2020 | Association of Quartermaster Officers Inc | 990EZ | Director | 35 | $36,202 | $0 | View return |
| 2020 | Spanish Peaks Arts Council | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2020 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |
| 2020 | Canterbury Choral Society Inc. | 990 | Director | 3 | $0 | $0 | View return |
| 2020 | Thames River Heritage Park Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Texas Restaurant Association | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Hotchkiss Library of Sharon Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Energy Consumers Alliance of New England Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Boston Higashi School Inc. | 990 | Principal | 44 | $188,524 | $0 | View return |
| 2019 | Thames River Heritage Park Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |
| 2019 | Texas Restaurant Association | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Canterbury Choral Society Inc. | 990 | Director | - | $0 | $0 | View return |
| 2019 | Spanish Peaks Arts Council | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2019 | Energy Consumers Alliance of New England Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Hotchkiss Library of Sharon Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Boston Higashi School Inc. | 990 | Principal | 44 | $177,200 | $0 | View return |
| 2018 | Canterbury Choral Society Inc. | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2018 | Spanish Peaks Arts Council | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2018 | Thames River Heritage Park Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Texas Restaurant Association | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2018 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |
| 2018 | Energy Consumers Alliance of New England Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Texas Restaurant Association Education Foundation Inc. | 990 | Board Member | - | $0 | $0 | View return |
| 2018 | Texas Restaurant Association | 990 | Board Member | - | $0 | $0 | View return |
| 2018 | Hotchkiss Library of Sharon Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Spanish Peaks Arts Council | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2017 | Boston Higashi School Inc. | 990 | Principal | 44 | $176,810 | $0 | View return |
| 2017 | Association of Quartermaster Officers Inc | 990EZ | Director | 35 | $47,447 | - | View return |
| 2017 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |
| 2017 | Texas Restaurant Association | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2017 | New London Landmarks Inc. | 990EZ | Treasurer | 2 | $0 | - | View return |
| 2017 | Texas Restaurant Association Education Foundation Inc. | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2017 | Thames River Heritage Park Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Canterbury Choral Society Inc. | 990 | President | 5 | $0 | $0 | View return |
| 2017 | Hotchkiss Library of Sharon Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Canterbury Choral Society Inc. | 990 | President | 5 | $0 | $0 | View return |
| 2017 | Hotchkiss Library of Sharon Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Boston Higashi School Inc. | 990 | Principal | 44 | $173,313 | $0 | View return |
| 2016 | Association of Quartermaster Officers Inc | 990EZ | Director | 35 | $50,171 | - | View return |
| 2016 | Thames River Heritage Park Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Texas Restaurant Association | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2016 | Texas Restaurant Association Education Foundation Inc. | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2016 | New London Landmarks Inc. | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2016 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |
| 2016 | Energy Consumers Alliance of New England Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Canterbury Choral Society Inc. | 990 | 1st Vice Pre | - | $0 | $0 | View return |
| 2016 | Hotchkiss Library of Sharon Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Boston Higashi School Inc. | 990 | Principal | 44 | $166,594 | $0 | View return |
| 2015 | Association of Quartermaster Officers Inc | 990EZ | Director | 35 | $52,303 | - | View return |
| 2015 | Canterbury Choral Society Inc. | 990 | 1st Vice Pre | 6 | $0 | $0 | View return |
| 2015 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |
| 2015 | New London Landmarks Inc. | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2015 | Friends Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2015 | Hotchkiss Library of Sharon Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Energy Consumers Alliance of New England Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Boston Higashi School Inc. | 990 | Principal | 44 | $159,892 | $0 | View return |
| 2014 | Association of Quartermaster Officers Inc | 990EZ | Director | 35 | $46,558 | - | View return |
| 2014 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |
| 2014 | New London Landmarks Inc. | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2014 | Energy Consumers Alliance of New England Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Canterbury Choral Society Inc. | 990 | 2nd Vice Pre | 10 | $0 | $0 | View return |
| 2013 | Boston Higashi School Inc. | 990 | Principal | 44 | $153,111 | $0 | View return |
| 2013 | Association of Quartermaster Officers Inc | 990EZ | Director | 40 | $34,289 | - | View return |
| 2013 | New London Landmarks Inc. | 990EZ | Treasurer | 0 | $0 | - | View return |
| 2013 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |
| 2013 | Cherry Creek School District Parent Teacher Community Council Inc | 990 | Co-President | 0 | - | - | View return |
| 2013 | Energy Consumers Alliance of New England Inc | 990 | Clerk | 5 | $0 | $0 | View return |
| 2012 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |
| 2011 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |
| 2010 | William R Oconnell and Linda P Oconnell Foundation Dtd 102497 | 990PF | Trustee | 0 | $0 | - | View return |