| 2024 | Swiss Institute | 990 | President Of The Board Of Trustees | 1 | $0 | $0 | View return |
| 2024 | The Museum for African Art D/B/A the Africa Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | New Museum of Contemporary Art | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | Swiss Institute | 990 | President Of The Board Of Trustees | 1 | $0 | $0 | View return |
| 2023 | New Museum of Contemporary Art | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | The Museum for African Art D/B/A the Africa Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Swiss Institute | 990 | President Of The Board Of Trustees | 1 | $0 | $0 | View return |
| 2022 | The Museum for African Art D/B/A the Africa Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | New Museum of Contemporary Art | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | Swiss Institute | 990 | President | 1 | $0 | $0 | View return |
| 2021 | The Museum for African Art D/B/A the Africa Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Swiss Institute | 990 | President | 1 | $0 | $0 | View return |
| 2020 | Swiss Institute | 990 | Chairman | 1 | $0 | $0 | View return |
| 2020 | The Museum for African Art D/B/A the Africa Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | New Museum of Contemporary Art | 990 | Board Member | 2 | $0 | $0 | View return |
| 2019 | Swiss Institute | 990 | Chairman | 1 | $0 | $0 | View return |
| 2019 | The Museum for African Art D/B/A the Africa Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Swiss Institute | 990 | Chairman | 1 | $0 | $0 | View return |
| 2018 | Swiss Institute | 990 | Chairman | 1 | $0 | $0 | View return |
| 2018 | New Museum of Contemporary Art | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | The Museum for African Art D/B/A the Africa Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | New Museum of Contemporary Art | 990 | Board Member | 2 | $0 | $0 | View return |
| 2017 | Swiss Institute | 990 | Chairman | 1 | $0 | $0 | View return |
| 2017 | Bard College | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | New Museum of Contemporary Art | 990 | Board Member | 2 | $0 | $0 | View return |
| 2017 | The Museum for African Art D/B/A the Africa Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Bard College Berlin a Liberal Arts University Ggmbh | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | New Museum of Contemporary Art | 990 | Board Member | 2 | $0 | $0 | View return |
| 2016 | Swiss Institute | 990 | Chairman | 1 | $0 | $0 | View return |
| 2016 | Swiss Institute | 990 | Chairman | 1 | $0 | $0 | View return |
| 2016 | Bard College Berlin a Liberal Arts University Ggmbh | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Bard College | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Swiss Institute | 990 | Chairman | 1 | $0 | $0 | View return |
| 2016 | The Museum for African Art D/B/A the Africa Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Swiss Institute | 990 | Trustee As Of 4/15 | 1 | $0 | $0 | View return |
| 2015 | The Museum for African Art D/B/A the Africa Center | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Bard College | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Bard College Berlin a Liberal Arts University Ggmbh | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | New Museum of Contemporary Art | 990 | Board Member | 2 | $0 | $0 | View return |
| 2014 | Bard College | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | New Museum of Contemporary Art | 990 | Board Member | 2 | $0 | $0 | View return |
| 2014 | Bard College Berlin a Liberal Arts University Ggmbh | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Bard College Berlin a Liberal Arts University Ggmbh | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Bard College | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | New Museum of Contemporary Art | 990 | Board Member | 2 | $0 | $0 | View return |