| 2024 | Van Cliburn Foundation Inc. | 990 | Director | 0.2 | $0 | $0 | View return |
| 2024 | The Carnegie Hall Corporation | 990 | Vice Chairman And Trustee | 1 | $0 | $0 | View return |
| 2023 | The Aspen Institute Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Mercedes T Bass Charitable Corporation | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2023 | Van Cliburn Foundation Inc. | 990 | Director | 0.2 | $0 | $0 | View return |
| 2023 | Metropolitan Opera Association Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2023 | The Carnegie Hall Corporation | 990 | Vice Chairman And Trustee | 1 | $0 | $0 | View return |
| 2023 | Fort Worth Symphony Orchestra Association Inc. | 990 | Chairman Of The Board | 1 | $0 | $0 | View return |
| 2022 | The Aspen Institute Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Mercedes T Bass Charitable Corporation | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2022 | Van Cliburn Foundation Inc. | 990 | Director | 0.2 | $0 | $0 | View return |
| 2022 | The Carnegie Hall Corporation | 990 | Vice Chairman And Trustee | 1 | $0 | $0 | View return |
| 2022 | Fort Worth Symphony Orchestra Association Inc. | 990 | Chairman Of The Board | 1 | $0 | $0 | View return |
| 2022 | Metropolitan Opera Association Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2021 | The Aspen Institute Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Mercedes T Bass Charitable Corporation | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2021 | Fort Worth Symphony Orchestra Association Inc. | 990 | Chairman Of The Board | 1 | $0 | $0 | View return |
| 2021 | Metropolitan Opera Association Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2021 | Van Cliburn Foundation Inc. | 990 | Director | 0.2 | $0 | $0 | View return |
| 2021 | The Carnegie Hall Corporation | 990 | Vice Chairman And Trustee | 1 | $0 | $0 | View return |
| 2020 | Mercedes T Bass Charitable Corporation | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2020 | Van Cliburn Foundation Inc. | 990 | Director | 0.2 | $0 | $0 | View return |
| 2020 | The Aspen Institute Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Metropolitan Opera Association Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2020 | Fort Worth Symphony Orchestra Association Inc. | 990 | Chairman Of The Board | 1 | $0 | $0 | View return |
| 2019 | The Aspen Institute Inc. | 990 | Trustee | 0.3 | $0 | $0 | View return |
| 2019 | Mercedes T Bass Charitable Corporation | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2019 | The Carnegie Hall Corporation | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2019 | Fort Worth Symphony Orchestra Association Inc. | 990 | Chairman Of The Board | 1 | $0 | $0 | View return |
| 2019 | Metropolitan Opera Association Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2018 | The Aspen Institute Inc. | 990 | Trustee | 0.3 | $0 | $0 | View return |
| 2018 | The Carnegie Hall Corporation | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2018 | Metropolitan Opera Association Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2018 | Mercedes T Bass Charitable Corporation | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2018 | Fort Worth Symphony Orchestra Association Inc. | 990 | Chairman Of The Board | 1 | $0 | $0 | View return |
| 2017 | The Aspen Institute Inc. | 990 | Trustee | 0.3 | $0 | $0 | View return |
| 2017 | The Carnegie Hall Corporation | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2017 | Fort Worth Symphony Orchestra Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Mercedes T Bass Charitable Corporation | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2017 | Metropolitan Opera Association Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2017 | The Carnegie Hall Corporation | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2016 | The Aspen Institute Inc. | 990 | Trustee | 0.3 | $0 | $0 | View return |
| 2016 | The Carnegie Hall Corporation | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2016 | Mercedes T Bass Charitable Corporation | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2016 | Fort Worth Symphony Orchestra Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Carnegie Hall Society Inc | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2016 | Metropolitan Opera Association Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2015 | The Aspen Institute Inc. | 990 | Trustee | 0.3 | $0 | $0 | View return |
| 2015 | Metropolitan Opera Association Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2015 | Fort Worth Symphony Orchestra Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Mercedes T Bass Charitable Corporation | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2015 | The Carnegie Hall Society Inc | 990 | Acting Chairman/Vice Chairman | 1 | $0 | $0 | View return |
| 2015 | The Carnegie Hall Corporation | 990 | Acting Chairman/Vice Chairman | 1 | $0 | $0 | View return |
| 2014 | The Aspen Institute Inc. | 990 | Trustee | 0.3 | $0 | $0 | View return |
| 2014 | Fort Worth Symphony Orchestra Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Carnegie Hall Corporation | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2014 | Metropolitan Opera Association Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2014 | The Carnegie Hall Society Inc | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2014 | Mercedes T Bass Charitable Corporation | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2014 | American Academy in Rome | 990 | Vice-Chair | 2 | $0 | $0 | View return |
| 2013 | The Aspen Institute Inc. | 990 | Trustee | 0.3 | $0 | $0 | View return |
| 2013 | Mercedes T Bass Charitable Corporation | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2013 | The Carnegie Hall Corporation | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2013 | American Academy in Rome | 990 | Vice-Chair | 2 | $0 | $0 | View return |
| 2013 | The Carnegie Hall Society Inc | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2013 | American Academy in Rome | 990 | Vice-Chair | 2 | $0 | $0 | View return |
| 2013 | Metropolitan Opera Association Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2013 | Fort Worth Symphony Orchestra Association Inc. | 990 | Director | 1 | - | - | View return |
| 2013 | The Carnegie Hall Society Inc | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2012 | Mercedes T Bass Charitable Corporation | 990PF | President/Director | 0 | $0 | $0 | View return |
| 2010 | Mercedes T Bass Charitable Corporation | 990PF | Vice President | 0 | $0 | $0 | View return |