| 2024 | Amazon Conservation Association | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | National Music Museum (Americas Shrine to Music) | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Amazon Conservation Association | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | National Music Museum (Americas Shrine to Music) | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Amazon Conservation Association | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | National Music Museum (Americas Shrine to Music) | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Amazon Conservation Association | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | National Music Museum (Americas Shrine to Music) | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Amazon Conservation Association | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Amazon Conservation Association | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Conservation Lands Foundation | 990 | Director | 0 | $0 | $0 | View return |
| 2018 | Climate Advisers Trust | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Amazon Conservation Association | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Conservation Lands Foundation | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Conservation Lands Foundation | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Amazon Conservation Association | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Lincoln Institute of Land Policy | 990PF | Director | 1 | $5,250 | $0 | View return |
| 2016 | Amazon Conservation Association | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Conservation Lands Foundation | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | Lincoln Institute of Land Policy | 990PF | Director | 3 | $7,000 | $0 | View return |
| 2015 | Conservation Lands Foundation | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | The Violin Society of America | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Amazon Conservation Association | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Amazon Conservation Association | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Lincoln Institute of Land Policy | 990PF | Director | 2 | $7,500 | $0 | View return |
| 2014 | Amazon Conservation Association | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Conservation Lands Foundation | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Lincoln Institute of Land Policy | 990PF | Director | 2 | $6,000 | $0 | View return |
| 2013 | Conservation Lands Foundation | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Amazon Conservation Association | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Violin Society of America | 990 | Director | 1 | $0 | $0 | View return |
| 2012 | Lincoln Institute of Land Policy | 990PF | Director | 2 | $5,750 | $0 | View return |
| 2011 | Lincoln Institute of Land Policy | 990PF | Director | 1 | $5,250 | $0 | View return |
| 2010 | Lincoln Institute of Land Policy | 990PF | Director | 1 | $4,500 | $0 | View return |
| 2009 | Lincoln Institute of Land Policy | 990PF | Director | 2 | $6,500 | $0 | View return |