| 2024 | The Hundred Club of Cook County | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Korean Literature Society of America | 990EZ | Director | 0 | $0 | - | View return |
| 2024 | Lake Shawnee Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2024 | Oba Foundation Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | Korean Literature Society of America | 990EZ | Director | 0 | $0 | - | View return |
| 2023 | The Hundred Club of Cook County | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Oba Foundation Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | Korean American Association of New Jersey | 990 | President | - | $0 | $0 | View return |
| 2022 | Korean Literature Society of America | 990EZ | Director | 0 | $0 | - | View return |
| 2022 | Korean American Association of New Jersey | 990 | President | - | $0 | $0 | View return |
| 2022 | The Hundred Club of Cook County | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Korean National Association Memorial Foundation | 990 | Director | 5 | $0 | $0 | View return |
| 2022 | Oba Foundation Inc | 990 | Board Member | - | $0 | $0 | View return |
| 2022 | Community Career Development Inc. | 990 | Board Vice Chair | 2 | $0 | $0 | View return |
| 2022 | Children'S Center of Weston Inc | 990 | Treasurer (Up Until 12/31/23) | 5 | $0 | $0 | View return |
| 2021 | Korean Literature Society of America | 990EZ | Director | 0 | $0 | - | View return |
| 2021 | Oba Foundation Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | The Hundred Club of Cook County | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Children'S Center of Weston Inc | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2021 | Community Career Development Inc. | 990 | Board Vice Chair | 2 | $0 | $0 | View return |
| 2020 | Korean Literature Society of America | 990EZ | Director | 0 | $0 | - | View return |
| 2020 | Children'S Center of Weston Inc | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2020 | Oba Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | The Hundred Club of Cook County | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Community Career Development Inc. | 990 | Board Vice Chair | 2 | $0 | $0 | View return |
| 2019 | The Hundred Club of Cook County | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Oba Foundation Inc | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2019 | Korean Literature Society of America | 990EZ | Director | 0 | $0 | - | View return |
| 2019 | Children'S Center of Weston Inc | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2019 | Community Career Development Inc. | 990 | Board Vice Chair | 2 | $0 | $0 | View return |
| 2018 | Korean Literature Society of America | 990EZ | Director | 0 | $0 | - | View return |
| 2018 | Oba Foundation Inc | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2018 | Foot Management International Mission Center Inc. | 990EZ | Vice President | 20 | $0 | $0 | View return |
| 2018 | Vision Care Service West | 990 | CEO | - | $0 | $0 | View return |
| 2018 | Children'S Center of Weston Inc | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2018 | Community Career Development Inc. | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2017 | Vision Care Service West | 990 | CEO | - | $0 | $0 | View return |
| 2017 | Korean Literature Society of America | 990EZ | Director | 0 | $0 | - | View return |
| 2017 | Oba Foundation Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Foot Management International Mission Center Inc. | 990EZ | Vice President | 20 | $0 | $0 | View return |
| 2017 | Children'S Center of Weston Inc | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2017 | Community Career Development Inc. | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2016 | Oba Foundation Inc | 990 | President | 4 | $0 | $0 | View return |
| 2016 | Vision Care Service West | 990 | CEO | - | $0 | $0 | View return |
| 2016 | Community Career Development Inc. | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2015 | Vision Care Service West | 990 | CEO | - | $0 | $0 | View return |
| 2015 | The Spectrum of Hope Foundation Fka Goh Foundation | 990PF | Member | 0 | $0 | $0 | View return |
| 2015 | Oba Foundation Inc | 990 | President | 4 | $0 | $0 | View return |
| 2015 | Korean Literature Society of America | 990EZ | Director | 0 | $0 | - | View return |
| 2015 | Community Career Development Inc. | 990 | Vice President | 2 | $0 | $0 | View return |
| 2014 | Oba Foundation Inc | 990 | President | 4 | $0 | $0 | View return |
| 2014 | Korean Literature Society of America | 990EZ | Director | 0 | $0 | - | View return |
| 2014 | Community Career Development Inc. | 990 | Vice President | 2 | $0 | $0 | View return |
| 2013 | Oba Foundation Inc | 990EZ | Fundraising Chair | 2 | $0 | - | View return |
| 2013 | Community Career Development Inc. | 990 | Vice President | 2 | $0 | $0 | View return |