| 2024 | The Sandra & Lawrence Post Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2023 | Israel Emergency Alliance | 990 | Board Vice President | 2 | $0 | $0 | View return |
| 2023 | David Horowitz Freedom Center(Fka Center for the Study of Popular Culture) | 990 | Director (Until Oct 2023) | 0.5 | $0 | $0 | View return |
| 2023 | The Sandra & Lawrence Post Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | Israel Emergency Alliance | 990 | Board Vice President | 2 | $0 | $0 | View return |
| 2022 | The Sandra & Lawrence Post Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | David Horowitz Freedom Center(Fka Center for the Study of Popular Culture) | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | David Horowitz Freedom Center(Fka Center for the Study of Popular Culture) | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | The Sandra & Lawrence Post Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2021 | Israel Emergency Alliance | 990 | Board Vice President | 2 | $0 | $0 | View return |
| 2020 | Israel Emergency Alliance | 990 | Board Vice President | 2 | $0 | $0 | View return |
| 2020 | The Sandra & Lawrence Post Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2020 | David Horowitz Freedom Center(Fka Center for the Study of Popular Culture) | 990 | Director | 0.5 | $0 | $0 | View return |
| 2019 | David Horowitz Freedom Center(Fka Center for the Study of Popular Culture) | 990 | Director | 0.5 | $0 | $0 | View return |
| 2019 | Israel Emergency Alliance | 990 | Board Vice President | 2 | $0 | $0 | View return |
| 2019 | The Sandra & Lawrence Post Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2018 | Israel Emergency Alliance | 990 | Board Vice President | 2 | $0 | $0 | View return |
| 2018 | David Horowitz Freedom Center(Fka Center for the Study of Popular Culture) | 990 | Director | 0.5 | $0 | $0 | View return |
| 2018 | The Sandra & Lawrence Post Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2017 | David Horowitz Freedom Center(Fka Center for the Study of Popular Culture) | 990 | Director | 0.5 | $0 | $0 | View return |
| 2017 | Israel Emergency Alliance | 990 | Board Vice President | 2 | $0 | $0 | View return |
| 2017 | The Sandra & Lawrence Post Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2017 | Jewish Federation Council of Greater Los Angeles | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | David Horowitz Freedom Center(Fka Center for the Study of Popular Culture) | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | Jewish Federation Council of Greater Los Angeles | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Israel Emergency Alliance | 990 | Board Vice President | 3 | $0 | $0 | View return |
| 2016 | The Sandra & Lawrence Post Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2016 | Wheels for Humanity DBA Ucp Wheels for Humanity | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | David Horowitz Freedom Center(Fka Center for the Study of Popular Culture) | 990 | Director | 0.5 | $0 | $0 | View return |
| 2015 | The Sandra & Lawrence Post Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2015 | Jewish Federation Council of Greater Los Angeles | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Wheels for Humanity DBA Ucp Wheels for Humanity | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Wheels for Humanity DBA Ucp Wheels for Humanity | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Israel Emergency Alliance | 990 | Board Vice Pres | 3 | $0 | $0 | View return |
| 2014 | The Sandra & Lawrence Post Family Foundation | 990PF | President | 0 | $0 | - | View return |
| 2014 | David Horowitz Freedom Center(Fka Center for the Study of Popular Culture) | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | Wheels for Humanity DBA Ucp Wheels for Humanity | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | David Horowitz Freedom Center(Fka Center for the Study of Popular Culture) | 990 | Director | 0.5 | $0 | $0 | View return |
| 2013 | The Sandra & Lawrence Post Family Foundation | 990PF | President | 0 | $0 | - | View return |
| 2013 | Wheels for Humanity DBA Ucp Wheels for Humanity | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Hillcrest Country Club | 990 | Director | 10 | $0 | $0 | View return |
| 2012 | The Sandra & Lawrence Post Family Foundation | 990PF | President | 0 | $0 | $0 | View return |