| 2024 | Center for Railroad Photography & Art Endowment | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | Center for Railroad Photography and Art Inc. | 990 | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2024 | Chicago Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Center for Railroad Photography and Art Inc. | 990 | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2023 | Center for Railroad Photography & Art Endowment | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Chicago Historical Society | 990 | Trustee | 0 | $0 | $0 | View return |
| 2022 | Center for Railroad Photography and Art Inc. | 990 | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2022 | Center for Railroad Photography & Art Endowment | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Chicago Historical Society | 990 | Trustee | 0 | $0 | $0 | View return |
| 2021 | Center for Railroad Photography & Art Endowment | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Center for Railroad Photography and Art Inc. | 990 | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2021 | Chicago Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Center for Railroad Photography and Art Inc. | 990 | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2020 | Center for Railroad Photography & Art Endowment | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Chicago Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Center for Railroad Photography and Art Inc. | 990 | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2019 | Center for Railroad Photography & Art Endowment | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Chicago Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Center for Railroad Photography and Art Inc. | 990 | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2018 | Center for Railroad Photography & Art Endowment | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Chicago Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Center for Railroad Photography and Art Inc. | 990 | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2017 | Center for Railroad Photography & Art Endowment | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Chicago Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Center for Railroad Photography and Art Inc. | 990 | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2016 | Center for Railroad Photography & Art Endowment | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Chicago Historical Society | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Center for Railroad Photography and Art Inc. | 990 | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2015 | Center for Railroad Photography & Art Endowment | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Chicago Historical Society | 990 | Trustee-Chairman Emeritus | 1 | $0 | $0 | View return |
| 2014 | Center for Railroad Photography and Art Inc. | 990 | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2014 | Chicago Historical Society | 990 | Trustee-Chairman Emeritus | 0 | $0 | $0 | View return |
| 2013 | Center for Railroad Photography and Art Inc. | 990 | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2013 | Northwestern University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Chicago Historical Society | 990 | Trustee-Chair | 0 | $0 | $0 | View return |
