| 2024 | Midwinter Conference of Immunologists | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | Baltimore Choral Arts Society Inc. | 990 | Board Member | 0.1 | $0 | $0 | View return |
| 2023 | Fiscal Policy Institute Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | William and Lanaea C Featherstone Foundation Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Baltimore Choral Arts Society Inc. | 990 | Board Member | 0.1 | $0 | $0 | View return |
| 2023 | Midwinter Conference of Immunologists | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Fiscal Policy Institute Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | William and Lanaea C Featherstone Foundation Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Midwinter Conference of Immunologists | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Baltimore Choral Arts Society Inc. | 990 | Board Member | 0.1 | $0 | $0 | View return |
| 2021 | William and Lanaea C Featherstone Foundation Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Fiscal Policy Institute Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Baltimore Choral Arts Society Inc. | 990 | Board Member | 0.1 | $0 | $0 | View return |
| 2021 | Midwinter Conference of Immunologists | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Galesville Heritage Society Inc. | 990 | Director | - | $0 | $0 | View return |
| 2020 | Fiscal Policy Institute Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | William and Lanaea C Featherstone Foundation Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2020 | Baltimore Choral Arts Society Inc. | 990 | Board Member | 0.1 | $0 | $0 | View return |
| 2019 | Baltimore Choral Arts Society Inc. | 990 | Board Member | 0.1 | $0 | $0 | View return |
| 2019 | William and Lanaea C Featherstone Foundation Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2018 | Baltimore Choral Arts Society Inc. | 990 | Board Member | 0.1 | $0 | $0 | View return |
| 2018 | William and Lanaea C Featherstone Foundation Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2017 | Buffalo Olmsted Parks Conservancy Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Buffalo Olmsted Parks Conservancy Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Buffalo Olmsted Parks Conservancy Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Zoological Society of Buffalo Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Ascension Allegan Professional Health Services Inc | 990 | General Practitioner | 40 | $201,536 | $0 | View return |
| 2014 | Zoological Society of Buffalo Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Ascension Allegan Professional Health Services Inc | 990 | General Practitioner | 40 | $184,762 | $0 | View return |
| 2013 | Fraternal Order of Eagles Aerie 4506 LLC | 990 | VP | 5 | $0 | $0 | View return |