| 2022 | The Aotearoa Foundation | 990PF | Trustee (Deceased 08/23/2022) | 1 | $0 | $0 | View return |
| 2022 | The Robertson Scholars Leadership | 990PF | Director (Deceased 08/23/22) | 1 | $0 | $0 | View return |
| 2021 | The Aotearoa Foundation | 990PF | Trustee (Deceased 08/23/2022) | 1 | $0 | $0 | View return |
| 2021 | The Robertson Scholars Leadership | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | Robertson Foundation | 990PF | Trustee (Deceased 08/23/2022) | 1 | $0 | $0 | View return |
| 2021 | Environmental Defense Fund Incorporated | 990 | Trustee (Thru 8/22) | 2 | $0 | $0 | View return |
| 2020 | The Aotearoa Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Robertson Foundation | 990PF | Trustee (Deceased 08/23/2022) | 1 | $0 | $0 | View return |
| 2020 | The Robertson Scholars Leadership | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | The Aotearoa Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Robertson Scholars Leadership | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | The Gilder Lehrman Institute | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Robertson Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Gilder Lehrman Institute | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Robertson Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Robertson Scholars Leadership | 990PF | Trustee/Director | 1 | $0 | $0 | View return |
| 2018 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | The Gilder Lehrman Institute | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | The Gilder Lehrman Institute | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Lincoln Center for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Gilder Lehrman Institute | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Catawba College | 990 | Member | 1 | $0 | $0 | View return |
| 2014 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Catawba College | 990 | Member | 1 | $0 | $0 | View return |
| 2014 | Lincoln Center for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Catawba College | 990 | Member | 1 | $0 | $0 | View return |
| 2013 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | Lincoln Center for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2010 | The Robertson Scholars Leadership | 990PF | Trustee/Director | 1 | $0 | $0 | View return |