| 2024 | Kaufman Family Foundation | 990PF | Director, President | 1 | $0 | $0 | View return |
| 2024 | Montana Wilderness Association Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2023 | Kaufman Family Foundation | 990PF | Director, President | 1 | $0 | $0 | View return |
| 2023 | Old Town School of Folk Music Inc. | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2022 | Old Town School of Folk Music Inc. | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2022 | United Way of Northwest Michigan | 990 | Director - Partial Year | 2 | $0 | $0 | View return |
| 2022 | Kaufman Family Foundation | 990PF | Director, President | 1 | $0 | $0 | View return |
| 2021 | Washington Area Lawyers for the Arts | 990EZ | Board Member | 2 | $0 | $0 | View return |
| 2021 | Kaufman Family Foundation | 990PF | Director, President | 1 | $0 | $0 | View return |
| 2021 | Old Town School of Folk Music Inc. | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2020 | Old Town School of Folk Music Inc. | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2020 | Kaufman Family Foundation | 990PF | Director, President | 1 | $0 | $0 | View return |
| 2020 | The John Ernest Foundation | 990 | Chariman Emeritus/Fellow | 10 | $0 | $0 | View return |
| 2020 | Washington Area Lawyers for the Arts | 990EZ | Board Member | 2 | $0 | $0 | View return |
| 2019 | Old Town School of Folk Music Inc. | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2019 | The John Ernest Foundation | 990 | Chariman Emeritus/Fellow | 10 | $0 | $0 | View return |
| 2019 | Kaufman Family Foundation | 990PF | Director, President | 1 | $0 | $0 | View return |
| 2019 | Washington Area Lawyers for the Arts | 990EZ | Board Member | 2 | $0 | $0 | View return |
| 2018 | The John Ernest Foundation | 990 | Chariman Emeritus/Fellow | 10 | $0 | $0 | View return |
| 2018 | Kaufman Family Foundation | 990PF | Director, President | 1 | $0 | $0 | View return |
| 2018 | Old Town School of Folk Music Inc. | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2018 | Washington Area Lawyers for the Arts | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2017 | Old Town School of Folk Music Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The John Ernest Foundation | 990 | Chariman Emeritus/Fellow | 10 | $0 | $0 | View return |
| 2017 | Washington Area Lawyers for the Arts | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2016 | The John Ernest Foundation | 990 | Chariman Emeritus/Fellow | 10 | $0 | $0 | View return |
| 2016 | Old Town School of Folk Music Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | National Association of Manufacturers of the United States of America | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Washington Area Lawyers for the Arts | 990EZ | Board Member | 1 | $0 | - | View return |
| 2015 | The John Ernest Foundation | 990 | Chariman Emeritus/Fellow | 10 | $0 | $0 | View return |
| 2014 | The John Ernest Foundation | 990 | Executive Chairman | 10 | $0 | $0 | View return |
| 2013 | Washington Area Lawyers for the Arts | 990 | Board Member | 1 | $0 | $0 | View return |
| 2012 | Graphic Arts Education and Research Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2011 | Kaufman Foundation | 990PF | Trustee #3 | 1 | $0 | - | View return |
| 2011 | Kaufman Foundation | 990PF | Chariman, Trustee#1 | 5 | $0 | - | View return |
| 2010 | Kaufman Foundation | 990PF | Trustee #3 | 1 | $0 | - | View return |
| 2010 | Kaufman Foundation | 990PF | Chariman, Trustee#1 | 5 | $0 | - | View return |