| 2024 | The Chang Chavkin Charitable Foundation | 990PF | Director, Treasurer, Secre | 1 | $0 | $0 | View return |
| 2024 | American Federation of Musicians of the Us & Canada | 990EZ | Board Member | 0 | $0 | $0 | View return |
| 2023 | The Santa Fe Symphony | 990 | Director | 1 | $3,378 | $0 | View return |
| 2023 | The Chang Chavkin Charitable Foundation | 990PF | Director, Treasurer, Secre | 1 | $0 | $0 | View return |
| 2023 | The Philharmonic Symphony Society of Ny | 990 | Vice Chair | 4 | $0 | $0 | View return |
| 2022 | The Santa Fe Symphony | 990 | Director | 1 | $6,276 | $0 | View return |
| 2022 | The Chang Chavkin Charitable Foundation | 990PF | Director, Treasurer, Secre | 1 | $0 | $0 | View return |
| 2022 | The Philharmonic Symphony Society of Ny | 990 | Vice Chair | 4 | $0 | $0 | View return |
| 2021 | Denver Musicians Association | 990 | Board Member | 1 | $2,208 | $0 | View return |
| 2021 | The Chang Chavkin Charitable Foundation | 990PF | Director, Treasurer, Secre | 1 | $0 | $0 | View return |
| 2021 | The Philharmonic Symphony Society of Ny | 990 | Vice Chair | 4 | $0 | $0 | View return |
| 2020 | Denver Musicians Association | 990 | Treasurer | 1 | $6,515 | $0 | View return |
| 2020 | The Chang Chavkin Charitable Foundation | 990PF | Director, Treasurer, Secre | 1 | $0 | $0 | View return |
| 2020 | The Philharmonic Symphony Society of Ny | 990 | Vice Chair & Treasurer | 4 | $0 | $0 | View return |
| 2020 | The Philharmonic Symphony Society of Ny | 990 | Vice Chair & Treasurer | 4 | $0 | $0 | View return |
| 2019 | Denver Musicians Association | 990 | Treasurer | 1 | $5,306 | $0 | View return |
| 2019 | The Chang Chavkin Charitable Foundation | 990PF | Director, Treasurer, Secre | 1 | $0 | $0 | View return |
| 2019 | The Philharmonic Symphony Society of Ny | 990 | Vice Chair & Treasurer | 4 | $0 | $0 | View return |
| 2018 | Denver Musicians Association | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | The Chang Chavkin Charitable Foundation | 990PF | Director, Treasurer, Secre | 1 | $0 | $0 | View return |
| 2018 | The Philharmonic Symphony Society of Ny | 990 | Treasurer | 4 | $0 | $0 | View return |
| 2017 | The Chang Chavkin Charitable Foundation | 990PF | Director, Treasurer, Secretary | 1 | $0 | $0 | View return |
| 2017 | The Philharmonic Symphony Society of Ny | 990 | Treasurer | 4 | $0 | $0 | View return |
| 2016 | The Philharmonic Symphony Society of Ny | 990 | Treasurer | 4 | $0 | $0 | View return |
| 2015 | The Philharmonic Symphony Society of Ny | 990 | Treasurer | 4 | $0 | $0 | View return |
| 2014 | The Philharmonic Symphony Society of Ny | 990 | Treasurer | 4 | $0 | $0 | View return |
| 2013 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |