| 2025 | William Zell Family Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2024 | William Zell Family Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2023 | Zell Family Foundation | 990PF | President (Thru 5/18/23) | 1 | $0 | $0 | View return |
| 2023 | Zell Entrepreneurship Foundation | 990PF | President & Special Director | 1 | $0 | $0 | View return |
| 2023 | William Zell Family Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2022 | William Zell Family Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2022 | American Friends of Reichman University Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Zell Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2022 | Zell Entrepreneurship Foundation | 990PF | President & Special Director | 1 | $0 | $0 | View return |
| 2021 | William Zell Family Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2021 | Zell Entrepreneurship Foundation | 990PF | President & Director | 1 | $0 | $0 | View return |
| 2021 | Zell Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2021 | American Friends of Reichman University Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Zell Family Foundation | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2020 | William Zell Family Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2020 | American Friends of Reichman University Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Zell Entrepreneurship Foundation | 990PF | President & Director | 0 | $0 | $0 | View return |
| 2019 | William Zell Family Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2019 | American Friends of Reichman University Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Zell Entrepreneurship Foundation | 990PF | President & Director | 0 | $0 | $0 | View return |
| 2018 | Zell Entrepreneurship Foundation | 990PF | President & Director | 0 | $0 | $0 | View return |
| 2018 | American Friends of Reichman University Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Equity Residential Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2017 | American Friends of Reichman University Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | American Friends of Reichman University Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Equity Residential Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2015 | American Friends of Reichman University Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Equity Residential Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | Equity Residential Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2013 | Equity Residential Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2013 | American Friends of Reichman University Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2012 | Equity Residential Foundation | 990PF | Director | 0 | $0 | - | View return |
| 2011 | Equity Residential Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2010 | Equity Residential Foundation | 990PF | Director | 1 | $0 | $0 | View return |