| 2024 | Oklahoma Childrens Cancer Association | 990EZ | Director | 5 | $0 | $0 | View return |
| 2024 | Vienna Choral Society of Northern Virginia | 990EZ | Director | 0.5 | $0 | $0 | View return |
| 2023 | Vienna Choral Society of Northern Virginia | 990 | Director | 0.5 | $0 | $0 | View return |
| 2023 | Oklahoma Childrens Cancer Association | 990EZ | Director | 5 | $0 | $0 | View return |
| 2022 | Oklahoma Childrens Cancer Association | 990EZ | Director | 5 | $0 | $0 | View return |
| 2022 | Vienna Choral Society of Northern Virginia | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | Southeast United States Korean Chamber of Commerce Inc | 990 | Vice President | 2 | $0 | $0 | View return |
| 2021 | Vienna Choral Society of Northern Virginia | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | Oklahoma Childrens Cancer Association | 990EZ | Director | 2 | $0 | $0 | View return |
| 2020 | Vienna Choral Society of Northern Virginia | 990 | Director | 0.5 | $0 | $0 | View return |
| 2020 | Southeast United States Korean Chamber of Commerce Inc | 990 | President | 2 | $0 | $0 | View return |
| 2019 | Pih Health Good Samaritan Hospital | 990 | Director Revenue Cycle | 40 | $251,949 | $0 | View return |
| 2019 | Southeast United States Korean Chamber of Commerce Inc | 990 | President | 2 | $0 | $0 | View return |
| 2019 | Vienna Choral Society of Northern Virginia | 990 | Director | 0.5 | $0 | $0 | View return |
| 2018 | Pih Health Good Samaritan Hospital | 990 | Director Revenue Cycle | 40 | $269,150 | $0 | View return |
| 2018 | Southeast United States Korean Chamber of Commerce Inc | 990 | President | 2 | $0 | $0 | View return |
| 2018 | Southeast United States Korean Chamber of Commerce Inc | 990 | President | 2 | $0 | $0 | View return |
| 2017 | Southeast United States Korean Chamber of Commerce Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2016 | Southeast United States Korean Chamber of Commerce Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2016 | Hospice Maui Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Leon and Beatrice Obenhaus Grodhaus Foundation | 990PF | Trustee | 0.5 | $1,000 | $0 | View return |
| 2015 | New Day Inc. of Spartanburg | 990 | Director | - | $0 | $0 | View return |
| 2015 | Genesis Properties Inc. | 990 | Director | - | $0 | $0 | View return |
| 2015 | Hospice Maui Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Leon and Beatrice Obenhaus Grodhaus Foundation | 990PF | Trustee | 0.5 | $1,000 | $0 | View return |
| 2014 | Hospice Maui Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Vienna Choral Society of Northern Virginia | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | Ladd & Katherine Hancher Library Foundation Inc | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2014 | New Day Inc. of Spartanburg | 990 | Director | - | $0 | $0 | View return |
| 2014 | Chittenden Children'S Advocacy Center Inc | 990EZ | Director | 2 | $0 | $0 | View return |
| 2014 | Genesis Properties Inc. | 990 | Director | - | $0 | $0 | View return |
| 2013 | Leon and Beatrice Obenhaus Grodhaus Foundation | 990PF | Trustee | 0.5 | $1,000 | $0 | View return |
| 2013 | Ladd & Katherine Hancher Library Foundation Inc | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2013 | Genesis Properties Inc. | 990 | Director | - | $0 | $0 | View return |
| 2013 | Vienna Choral Society of Northern Virginia | 990 | Director | 0.5 | $0 | $0 | View return |
| 2013 | New Day Inc. of Spartanburg | 990 | Director | - | $0 | $0 | View return |
| 2013 | Chittenden Children'S Advocacy Center Inc | 990EZ | Director | 2 | $0 | $0 | View return |
| 2012 | Leon and Beatrice Obenhaus Grodhaus Foundation | 990PF | Trustee | 0.5 | $1,000 | $0 | View return |
| 2011 | Leon and Beatrice Obenhaus Grodhaus Foundation | 990PF | Trustee | 0 | $1,000 | $0 | View return |
| 2010 | Leon and Beatrice Obenhaus Grodhaus Foundation | 990PF | Trusteesecreta | 1 | $1,000 | $0 | View return |