| 2025 | Pga Foundation Inc. | 990 | Indep. Director | 1 | $0 | $4,471 | View return |
| 2024 | Pga Foundation Inc. | 990 | Indep. Director | 1 | $0 | $6,500 | View return |
| 2024 | The Professional Golfers Assoc of America | 990 | Indep. Director | 4 | $0 | $4,471 | View return |
| 2024 | Susie and Gideon Yu Foundation | 990PF | Vice President/Treasurer/Director | 0.5 | $0 | $0 | View return |
| 2024 | Society for Science and the Public | 990 | Trustee | 3 | $0 | $0 | View return |
| 2023 | The Professional Golfers Assoc of America | 990 | Indep. Director | 4 | $0 | $6,500 | View return |
| 2023 | Pga Foundation Inc. | 990 | Indep. Director | 1 | $0 | $0 | View return |
| 2023 | Susie and Gideon Yu Foundation | 990PF | Vice President/Treasurer/Director | 0.5 | $0 | $0 | View return |
| 2023 | Society for Science and the Public | 990 | Trustee | 3 | $0 | $0 | View return |
| 2023 | Oakwood School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Council of Korean Americans Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Society for Science and the Public | 990 | Trustee | 3 | $0 | $0 | View return |
| 2022 | Susie and Gideon Yu Foundation | 990PF | Vice President/Treasurer/Director | 0.5 | $0 | $0 | View return |
| 2022 | The Professional Golfers Assoc of America | 990 | Indep. Director | 4 | $0 | $0 | View return |
| 2022 | Council of Korean Americans Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Oakwood School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Susie and Gideon Yu Foundation | 990PF | Vice President/Treasurer/Director | 0.5 | $0 | $0 | View return |
| 2021 | Society for Science and the Public | 990 | Trustee | 3 | $0 | $0 | View return |
| 2020 | Susie and Gideon Yu Foundation | 990PF | Vice President/Treasurer | 0.5 | $0 | $0 | View return |
| 2020 | Society for Science and the Public | 990 | Trustee | 3 | $0 | $0 | View return |
| 2019 | Society for Science and the Public | 990 | Trustee | 3 | $0 | $0 | View return |
| 2019 | Susie and Gideon Yu Foundation | 990PF | Vice President/Treasurer | 0.5 | $0 | $0 | View return |
| 2019 | Monterey Bay Aquarium Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Phillips Brooks School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Society for Science and the Public | 990 | Trustee (As Of Oct 18) | 3 | $0 | $0 | View return |
| 2018 | Monterey Bay Aquarium Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Susie and Gideon Yu Foundation | 990PF | Vice President/Treasurer | 0.5 | $0 | $0 | View return |
| 2018 | The Phillips Brooks School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Monterey Bay Aquarium Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Susie and Gideon Yu Foundation | 990PF | Vice President/Treasurer | 0.5 | $0 | $0 | View return |
| 2017 | Tipping Point Community | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | The Phillips Brooks School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Tipping Point Community | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Monterey Bay Aquarium Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Susie and Gideon Yu Foundation | 990PF | VP/Treasurer | 0.5 | $0 | $0 | View return |
| 2016 | Tipping Point Community | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Monterey Bay Aquarium Foundation | 990 | Trustee Effective Dec 2015 | 1 | $0 | $0 | View return |
| 2015 | Susie and Gideon Yu Foundation | 990PF | VP/Treasurer | 0.5 | $0 | $0 | View return |
| 2015 | Tipping Point Community | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Susie and Gideon Yu Foundation | 990PF | VP/Treasurer | 0.5 | $0 | $0 | View return |
| 2014 | Tipping Point Community | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Susie and Gideon Yu Foundation | 990PF | VP/Treasurer | 0.5 | $0 | $0 | View return |
| 2013 | Tipping Point Community | 990 | Board Member | 1 | $0 | $0 | View return |
| 2012 | Susie and Gideon Yu Foundation | 990PF | VP/Treasurer | 0.5 | $0 | $0 | View return |
| 2011 | Susie and Gideon Yu Foundation | 990PF | VP/Treasurer | 0.5 | $0 | $0 | View return |