| 2025 | Korean Seafood Association of New York Inc | 990EZ | Director | 0 | $0 | - | View return |
| 2025 | Downtown Manhattan Community Development Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | Downtown Manhattan Community Development Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | John Yu and Linda Ren Family Foundation Aka Ownworld Scholarship | 990PF | President | 10 | $0 | - | View return |
| 2024 | Washington Cash DBA Ventures | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2023 | Chinese American Dental Society of Southern California | 990EZ | Treasurer | 0.5 | $0 | $0 | View return |
| 2023 | Downtown Manhattan Community Development Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Washington Cash DBA Ventures | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Hua Yuan Science and Technology Association | 990EZ | Director | 1 | $0 | $0 | View return |
| 2023 | John Yu and Linda Ren Family Foundation Aka Ownworld Scholarship | 990PF | President | 10 | $0 | - | View return |
| 2022 | John T Mather Memorial Hospital C/O Northwell Health Inc | 990 | Vice President, Medical Board | 50 | $10,000 | $0 | View return |
| 2022 | Hua Yuan Science and Technology Association | 990EZ | Director | 1 | $0 | $0 | View return |
| 2022 | Downtown Manhattan Community Development Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Chinese American Dental Society of Southern California | 990EZ | Treasurer | 0.5 | $0 | $0 | View return |
| 2022 | John Yu and Linda Ren Family Foundation Aka Ownworld Scholarship | 990PF | President | 10 | $0 | - | View return |
| 2022 | Washington Cash DBA Ventures | 990 | Director | 1.75 | $0 | $0 | View return |
| 2021 | Kiwanis Club of Chinatown Foundation Inc. | 990EZ | Secretary | 10 | $0 | $0 | View return |
| 2021 | California Dragon Boat Association | 990EZ | Secretary | 5 | $0 | - | View return |
| 2021 | Korean American Running Team | 990EZ | Secretary | 2 | $0 | - | View return |
| 2021 | Downtown Manhattan Community Development Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | John Yu and Linda Ren Family Foundation Aka Ownworld Scholarship | 990PF | President | 10 | $0 | - | View return |
| 2021 | Travel Goods Association | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Washington Cash DBA Ventures | 990 | Director | 0.69 | $0 | $0 | View return |
| 2021 | Chinese American Dental Society of Southern California | 990EZ | Treasurer | 0.5 | $0 | $0 | View return |
| 2020 | Kiwanis Club of Chinatown Foundation Inc. | 990EZ | President | 10 | $0 | $0 | View return |
| 2020 | Chinese American Dental Society of Southern California | 990EZ | Treasurer | 0.5 | $0 | $0 | View return |
| 2020 | Travel Goods Association | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | California Dragon Boat Association | 990EZ | Secretary | 2 | $0 | - | View return |
| 2020 | Korean American Running Team | 990EZ | Secretary | 2 | $0 | - | View return |
| 2020 | Washington Cash DBA Ventures | 990 | Director | 0.69 | $0 | $0 | View return |
| 2020 | John Yu and Linda Ren Family Foundation Aka Ownworld Scholarship | 990PF | President | 10 | $0 | - | View return |
| 2020 | Downtown Manhattan Community Development Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Tsinghua Education Foundation N a Inc. | 990 | CFO | 1 | $0 | $0 | View return |
| 2020 | Bethel Renewal Center a Nj Nonprofit Corporation | 990 | Board Member | 20 | $0 | $0 | View return |
| 2019 | California Dragon Boat Association | 990 | Secretary | 12.5 | $0 | $0 | View return |
| 2019 | Kiwanis Club of Chinatown Foundation Inc. | 990EZ | President | 10 | $0 | $0 | View return |
| 2019 | John Yu and Linda Ren Family Foundation Aka Ownworld Scholarship | 990PF | President | 10 | $0 | - | View return |
| 2019 | Tsinghua Education Foundation N a Inc. | 990 | CFO | 1 | $0 | $0 | View return |
| 2019 | Downtown Manhattan Community Development Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Washington Cash DBA Ventures | 990 | Director | 0.46 | $0 | $0 | View return |
| 2018 | John Yu and Linda Ren Family Foundation Aka Ownworld Scholarship | 990PF | President | 10 | $0 | - | View return |
| 2018 | Kiwanis Club of Chinatown Foundation Inc. | 990EZ | President | 8 | $0 | $0 | View return |
| 2018 | California Dragon Boat Association | 990 | Secretary | 12.5 | $0 | $0 | View return |
| 2018 | Downtown Manhattan Community Development Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Renaissance Economic Development Corporation | 990 | Board Member ( Outgoing) | 0.3 | $0 | $0 | View return |
| 2018 | Meadow Club | 990 | Vice President | 2 | $0 | $0 | View return |
| 2018 | Tsinghua Education Foundation N a Inc. | 990 | CFO | 1 | $0 | $0 | View return |
| 2017 | Tsinghua Education Foundation N a Inc. | 990 | CFO | 1 | $0 | $0 | View return |
| 2017 | Renaissance Economic Development Corporation | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2017 | Downtown Manhattan Community Development Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | California Dragon Boat Association | 990 | Secretary | 12.5 | $0 | $0 | View return |
| 2017 | Meadow Club | 990 | Secretary | 2 | $0 | $0 | View return |
| 2017 | John Yu and Linda Ren Family Foundation Aka Ownworld Scholarship | 990PF | President | 10 | $0 | - | View return |
| 2016 | Tsinghua Education Foundation N a Inc. | 990 | CFO | 1 | $0 | $0 | View return |
| 2016 | Meadow Club | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Downtown Manhattan Community Development Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Renaissance Economic Development Corporation | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2016 | John Yu and Linda Ren Family Foundation Aka Ownworld Scholarship | 990PF | President | 10 | $0 | - | View return |
| 2015 | Tsinghua Education Foundation N a Inc. | 990 | CFO | 1 | $0 | $0 | View return |
| 2015 | John Yu and Linda Ren Family Foundation Aka Ownworld Scholarship | 990PF | President | 10 | $0 | - | View return |
| 2015 | Renaissance Economic Development Corporation | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2014 | Asian Americans for Equality Inc. | 990 | Director (Former) | 1 | $0 | $0 | View return |
| 2014 | Tsinghua Education Foundation N a Inc. | 990 | CFO | 1 | $0 | $0 | View return |
| 2014 | Renaissance Economic Development Corporation | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2014 | John Yu and Linda Ren Family Foundation Aka Ownworld Scholarship | 990PF | President | 10 | $0 | - | View return |
| 2013 | John Yu and Linda Ren Family Foundation Aka Ownworld Scholarship | 990PF | President | 10 | $0 | - | View return |
| 2013 | Asian Americans for Equality Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Renaissance Economic Development Corporation | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2013 | Tsinghua Education Foundation N a Inc. | 990 | CFO | 1 | $0 | $0 | View return |
| 2013 | Downtown Manhattan Community Development Corporation | 990 | Board Member | 1 | $0 | $0 | View return |