| 2024 | Sifco Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2024 | Cleveland Museum of Natural History | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2024 | Michael and Anita Siegal Family Foundation | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2024 | Robert S and Sylvia K Reitman Family Foundation | 990 | Trustee/Vice President | 0.3 | $0 | $0 | View return |
| 2024 | Ideastream | 990 | Trustee | 2 | $0 | $0 | View return |
| 2023 | Robert S and Sylvia K Reitman Family Foundation | 990 | Trustee/Vice President | 0.3 | $0 | $0 | View return |
| 2023 | Michael and Anita Siegal Family Foundation | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2023 | Cleveland Museum of Natural History | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2023 | Ideastream | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Michael and Anita Siegal Family Foundation | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2022 | Cleveland Museum of Natural History | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2022 | Ideastream | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Robert S and Sylvia K Reitman Family Foundation | 990 | Trustee/Vice President | 0.3 | $0 | $0 | View return |
| 2021 | Cleveland Museum of Natural History | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2021 | Michael and Anita Siegal Family Foundation | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2021 | Ideastream | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Robert S and Sylvia K Reitman Family Foundation | 990 | Trustee/Vice President | 0.3 | $0 | $0 | View return |
| 2020 | Michael and Anita Siegal Family Foundation | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2020 | Ideastream | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Robert S and Sylvia K Reitman Family Foundation | 990 | Trustee/Vice President | 0.3 | $0 | $0 | View return |
| 2020 | Cleveland Museum of Natural History | 990 | Standing Director | 1 | $0 | $0 | View return |
| 2019 | Ideastream | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Robert S and Sylvia K Reitman Family Foundation | 990 | Trustee/Vice President | 0.3 | $0 | $0 | View return |
| 2019 | Cleveland Museum of Natural History | 990 | Standing Director | 1 | $0 | $0 | View return |
| 2019 | Michael and Anita Siegal Family Foundation | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2018 | Robert S and Sylvia K Reitman Family Foundation | 990 | Trustee/Vice President | 0.3 | $0 | $0 | View return |
| 2018 | Ideastream | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Michael and Anita Siegal Family Foundation | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2018 | Cleveland Museum of Natural History | 990 | Standing Director | 1 | $0 | $0 | View return |
| 2017 | Ideastream | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Michael and Anita Siegal Family Foundation | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2017 | Cleveland Museum of Natural History | 990 | Standing Trustee | 1 | $0 | $0 | View return |
| 2017 | Robert S and Sylvia K Reitman Family Foundation | 990 | Trustee/Vice President | 0.3 | $0 | $0 | View return |
| 2016 | Cleveland Museum of Natural History | 990 | Standing Trustee | 1 | $0 | $0 | View return |
| 2016 | Ideastream | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Cleveland Museum of Natural History | 990 | Standing Trustee | 1 | $0 | $0 | View return |
| 2014 | Cleveland Museum of Natural History | 990 | Standing Trustee | 1 | $0 | $0 | View return |
| 2013 | Cleveland Museum of Natural History | 990 | Standing Trustee | 1 | $0 | $0 | View return |