| 2024 | Center for Jewish History Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | Kronhill Pletka Foundation | 990PF | Chairperson, President, Tr | 20 | $0 | $0 | View return |
| 2024 | American Jewish Joint Distribution Committee Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | Yivo Institute for Jewish Research Inc. | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2024 | American Friends of Polin Museum of the History of Polish Jews Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Center for Jewish History Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Yivo Institute for Jewish Research Inc. | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2023 | American Jewish Joint Distribution Committee Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Kronhill Pletka Foundation | 990PF | Chairperson, President, Tr | 20 | $0 | $0 | View return |
| 2022 | Center for Jewish History Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Yivo Institute for Jewish Research Inc. | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2022 | Kronhill Pletka Foundation | 990PF | Chairperson, President, Tr | 20 | $0 | $0 | View return |
| 2022 | American Jewish Joint Distribution Committee Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | American Friends of Polin Museum of the History of Polish Jews Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | American Friends of Polin Museum of the History of Polish Jews Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Kronhill Pletka Foundation | 990PF | Chairperson, President, Tr | 20 | $0 | $0 | View return |
| 2021 | Center for Jewish History Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Yivo Institute for Jewish Research Inc. | 990 | Vice Chair | 0 | $0 | $0 | View return |
| 2021 | American Jewish Joint Distribution Committee Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | American Jewish Joint Distribution Committee Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | American Friends of Polin Museum of the History of Polish Jews Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Yivo Institute for Jewish Research Inc. | 990 | Vice Chair | 0 | $0 | $0 | View return |
| 2020 | Kronhill Pletka Foundation | 990PF | Chairperson, President, Tr | 20 | $0 | $0 | View return |
| 2020 | Center for Jewish History Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Center for Jewish History Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Kronhill Pletka Foundation | 990PF | Chairperson, President, Tr | 20 | $0 | $0 | View return |
| 2019 | Yivo Institute for Jewish Research Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2019 | American Friends of Polin Museum of the History of Polish Jews Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Kronhill Pletka Foundation | 990PF | Chairperson, President, Tr | 20 | $0 | $0 | View return |
| 2018 | Yivo Institute for Jewish Research Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Kronhill Pletka Foundation | 990PF | Chairperson, President, Tr | 20 | $0 | $0 | View return |
| 2017 | Yivo Institute for Jewish Research Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Center for Jewish History Inc. | 990 | Director (Through Sept 2017) | 2 | $0 | $0 | View return |
| 2016 | Kronhill Pletka Foundation | 990PF | Chairperson, President, Tr | 20 | $0 | $0 | View return |
| 2016 | Center for Jewish History Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Yivo Institute for Jewish Research Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | Kronhill Pletka Foundation | 990PF | Chairperson, President, Tr | 0 | $0 | $0 | View return |
| 2015 | Center for Jewish History Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Yivo Institute for Jewish Research Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | Friends of Jcc Krakow Inc | 990EZ | Trustee | 3 | $0 | $0 | View return |
| 2014 | Center for Jewish History Inc. | 990 | Director (As Of 02/14) | 2 | $0 | $0 | View return |
| 2014 | Kronhill Pletka Foundation | 990PF | Chairperson, President, Tr | 0 | $0 | $0 | View return |
| 2014 | Yivo Institute for Jewish Research Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Kronhill Pletka Foundation | 990PF | Chairperson, President, Tr | 0 | $0 | $0 | View return |
| 2013 | Yivo Institute for Jewish Research Inc. | 990 | Director | 0 | $0 | $0 | View return |