| 2025 | United Steelworkers Local 4-00898 | 990 | Trustee | 1 | $4,060 | $0 | View return |
| 2025 | L and S Rosenberg Family Foundation | 990PF | Secretary | 5 | $0 | - | View return |
| 2024 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $21,900 | $0 | View return |
| 2024 | Epstein Wenger Family Supporting Foundation | 990 | Vice President | 0.3 | $0 | $299,932 | View return |
| 2024 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2024 | L and S Rosenberg Family Foundation | 990PF | Secretary | 5 | $0 | - | View return |
| 2023 | Jewish United Fund of Metropolitan Chicago | 990 | Chief Of Staff | 50 | $291,468 | $0 | View return |
| 2023 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $16,900 | $0 | View return |
| 2023 | Jewish Federation of Metropolitan Chicago | 990 | Chief Of Staff | 0 | $0 | $291,468 | View return |
| 2023 | L and S Rosenberg Family Foundation | 990PF | Secretary | 5 | $0 | - | View return |
| 2023 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2022 | Jewish United Fund of Metropolitan Chicago | 990 | Chief Of Staff | 50 | $286,011 | $0 | View return |
| 2022 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $16,900 | $0 | View return |
| 2022 | Jewish Federation of Metropolitan Chicago | 990 | Chief Of Staff | 0 | $0 | $286,011 | View return |
| 2022 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2022 | Brown County Historical Society | 990 | Director | 5 | $0 | $0 | View return |
| 2021 | Jewish United Fund of Metropolitan Chicago | 990 | Chief Of Staff | 50 | $277,094 | $0 | View return |
| 2021 | Accion International | 990 | Senior VP | 50 | $257,600 | $0 | View return |
| 2021 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $16,900 | $0 | View return |
| 2021 | Jewish Federation of Metropolitan Chicago | 990 | Chief Of Staff | 0 | $0 | $277,094 | View return |
| 2021 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2021 | Brown County Historical Society | 990 | Director | 5 | $0 | $0 | View return |
| 2021 | The Academy for Jewish Religion | 990 | Former Member | 1.25 | $0 | $0 | View return |
| 2020 | Jewish United Fund of Metropolitan Chicago | 990 | Chief Of Staff | 40 | $272,506 | $0 | View return |
| 2020 | Accion International | 990 | CCO | 50 | $250,172 | $0 | View return |
| 2020 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $16,900 | $0 | View return |
| 2020 | Jewish Federation of Metropolitan Chicago | 990 | Chief Of Staff | 10 | $0 | $272,506 | View return |
| 2020 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2020 | Greater Concord Chamber of Commerce | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | American Legion Roscoe Enloe Post 5 | 990 | Past Command | - | $0 | $0 | View return |
| 2019 | Jewish United Fund of Metropolitan Chicago | 990 | Chief Of Staff | 40 | $260,094 | $0 | View return |
| 2019 | Accion International | 990 | CCO | 50 | $251,677 | $0 | View return |
| 2019 | Jewish Federation of Metropolitan Chicago | 990 | Chief Of Staff | 10 | $0 | $260,095 | View return |
| 2019 | Epstein Wenger Family Supporting Foundation | 990 | Vice President | 0.3 | $0 | $260,094 | View return |
| 2019 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2019 | The Children'S Hospital of Buffalo Foundation | 990 | Director (Thru March 2019) | 1 | $0 | $0 | View return |
| 2019 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $0 | $0 | View return |
| 2019 | Greater Concord Chamber of Commerce | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Jewish United Fund of Metropolitan Chicago | 990 | Chief Of Staff | 40 | $250,260 | $0 | View return |
| 2018 | Accion International | 990 | CCO | 50 | $235,935 | $0 | View return |
| 2018 | Jewish Federation of Metropolitan Chicago | 990 | Chief Of Staff | 10 | $0 | $250,260 | View return |
| 2018 | Epstein Wenger Family Supporting Foundation | 990 | Vice President | 0.3 | $0 | $250,260 | View return |
| 2018 | Brown County Historical Society | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Greater Concord Chamber of Commerce | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $0 | $0 | View return |
| 2018 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2017 | Accion International | 990 | CCO | 50 | $240,031 | $0 | View return |
| 2017 | Jewish United Fund of Metropolitan Chicago | 990 | Chief Of Staff | 40 | $237,347 | $0 | View return |
| 2017 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $16,900 | $0 | View return |
| 2017 | Jewish Federation of Metropolitan Chicago | 990 | Chief Of Staff | 10 | $0 | $237,347 | View return |
| 2017 | Epstein Wenger Family Supporting Foundation | 990 | Vice President | 0.3 | $0 | $237,347 | View return |
| 2017 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2017 | The Children'S Hospital of Buffalo Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Greater Concord Chamber of Commerce | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Jewish United Fund of Metropolitan Chicago | 990 | Chief Of Staff | 40 | $222,816 | $0 | View return |
| 2016 | Accion International | 990 | CCO | 50 | $214,825 | $0 | View return |
| 2016 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $16,900 | $0 | View return |
| 2016 | Epstein Wenger Family Supporting Foundation | 990 | Vice President | 0.3 | $0 | $222,816 | View return |
| 2016 | Jewish Federation of Metropolitan Chicago | 990 | Chief Of Staff | 1 | $0 | $222,816 | View return |
| 2016 | The Children'S Hospital of Buffalo Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2015 | Jewish United Fund of Metropolitan Chicago | 990 | Chief Of Staff | 50 | $215,494 | $0 | View return |
| 2015 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $16,900 | $0 | View return |
| 2015 | Jewish Federation of Metropolitan Chicago | 990 | Chief Of Staff | 1 | $0 | $215,494 | View return |
| 2015 | Epstein Wenger Family Supporting Foundation | 990 | Vice President | 0.3 | $0 | $215,494 | View return |
| 2015 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2015 | The Children'S Hospital of Buffalo Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Jewish United Fund of Metropolitan Chicago | 990 | Chief Of Staff | 50 | $205,467 | $0 | View return |
| 2014 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $16,900 | $0 | View return |
| 2014 | Epstein Wenger Family Supporting Foundation | 990 | Vice President | 0.3 | $0 | $205,467 | View return |
| 2014 | Jewish Federation of Metropolitan Chicago | 990 | Chief Of Staff | 1 | $0 | $205,467 | View return |
| 2014 | The Children'S Hospital of Buffalo Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | Greater Concord Chamber of Commerce | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | National Arts Strategies Inc. | 990 | Vice President | 55 | $177,328 | $0 | View return |
| 2013 | Adopt-A-Classroom Inc. | 990 | President And Founder | 30 | $155,266 | $0 | View return |
| 2013 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $16,900 | $0 | View return |
| 2013 | Epstein Wenger Family Supporting Foundation | 990 | Vice President | 0.3 | $0 | $185,527 | View return |
| 2013 | Jewish Federation of Metropolitan Chicago | 990 | Chief Of Staff | 1 | $0 | $185,527 | View return |
| 2013 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2013 | The Children'S Hospital of Buffalo Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Greater Concord Chamber of Commerce | 990 | Director | 1 | $0 | $0 | View return |
| 2012 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $16,900 | $0 | View return |
| 2012 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2011 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $14,800 | $0 | View return |
| 2011 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2011 | Callant Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2010 | The Calamus Foundation Inc C/O Katz Bloom & Schon Cpas LLC | 990PF | Director | 0 | $0 | $0 | View return |
| 2010 | William Rosenberg Family Foundation Inc | 990PF | Co-Treasurer/Director | 1 | $0 | $0 | View return |