| 2024 | Claremont Canyon Conservancy | 990EZ | Treasurer | 2 | $0 | $0 | View return |
| 2024 | Monimos Art Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2024 | Monimos Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2024 | The Pathway Corporation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2024 | Marcus Daly Memorial Hospital Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | The Pathway School | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | William and Cynthia Marcus Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Monimos Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2023 | Claremont Canyon Conservancy | 990EZ | Treasurer | 2 | $0 | $0 | View return |
| 2023 | Monimos Art Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2023 | The Pathway Corporation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2023 | William and Cynthia Marcus Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Pathway School | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Daly Hospital Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Marcus Daly Memorial Hospital Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Actor'S Gang Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2022 | Monimos Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2022 | March to the Polls | 990 | President And Treasurer (Jan-Aug 2022) | 40 | $0 | $0 | View return |
| 2022 | The Foundry | 990PF | Secretary/Treasurer | 5 | $0 | - | View return |
| 2022 | Claremont Canyon Conservancy | 990EZ | Director | 1 | $0 | $0 | View return |
| 2022 | Monimos Art Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2022 | The Pathway School | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | William and Cynthia Marcus Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Pathway Corporation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2022 | Actor'S Gang Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2021 | Monimos Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2021 | The Foundry | 990PF | Secretary/Treasurer | 5 | $0 | $0 | View return |
| 2021 | The Contemporary Austin Museum Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Monimos Art Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2021 | The Pathway Corporation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2021 | Actor'S Gang Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2021 | William and Cynthia Marcus Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | The Pathway School | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Foundry | 990EZ | Secretary/Treasurer | 5 | $0 | $0 | View return |
| 2020 | Monimos Foundation | 990PF | Secretary | 0 | $0 | - | View return |
| 2020 | The Pathway School | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Contemporary Austin Museum Endowment Fund Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Monimos Art Foundation | 990PF | Secretary | 0 | $0 | - | View return |
| 2020 | The Contemporary Austin Museum Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Pathway Corporation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2020 | Jewish Federation of Greater Long Beach and West Orange County | 990 | VP Planning & Grants | 3 | $0 | $0 | View return |
| 2020 | William and Cynthia Marcus Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Actor'S Gang Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2019 | The Foundry | 990EZ | Secretary/Treasurer | 5 | $0 | $0 | View return |
| 2019 | The Pathway School | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Edward and Betty Marcus Foundation | 990PF | Sec/Treas | 1 | $0 | - | View return |
| 2019 | Monimos Foundation | 990PF | Secretary | 0 | $0 | - | View return |
| 2019 | Monimos Art Foundation | 990PF | Secretary | 0 | $0 | - | View return |
| 2019 | The Contemporary Austin Museum Inc | 990 | Co-Chairperson | 1 | $0 | $0 | View return |
| 2019 | Culver City Chamber of Commerce | 990 | Director | 0.3 | $0 | $0 | View return |
| 2019 | Contemporary Austin Museum Endowment Fund Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | William and Cynthia Marcus Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Actor'S Gang Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2019 | Jewish Federation of Greater Long Beach and West Orange County | 990 | VP Planning & Grants | 3 | $0 | $0 | View return |
| 2018 | The Edward and Betty Marcus Foundation | 990PF | Sec/Treas | 1 | $0 | - | View return |
| 2018 | The Foundry | 990EZ | Secretary/Treasurer | 5 | $0 | $0 | View return |
| 2018 | The Contemporary Austin Museum Inc | 990 | Chairman | 1 | $0 | $0 | View return |
| 2018 | The Pathway School | 990 | Secretary | 1 | $0 | $0 | View return |
| 2018 | Contemporary Austin Museum Endowment Fund Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Pathway Corporation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2018 | Monimos Foundation | 990PF | Secretary | 0 | $0 | - | View return |
| 2018 | Monimos Art Foundation | 990PF | Secretary | 0 | $0 | - | View return |
| 2018 | Culver City Chamber of Commerce | 990 | Director | 0.3 | $0 | $0 | View return |
| 2018 | Jewish Federation of Greater Long Beach and West Orange County | 990 | Board Member | 3 | $0 | $0 | View return |
| 2018 | William and Cynthia Marcus Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | Actor'S Gang Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2017 | The Pathway Corporation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | Monimos Foundation | 990PF | Secretary | 0 | $0 | - | View return |
| 2017 | The Contemporary Austin Museum Inc | 990 | Chairman | 1 | $0 | $0 | View return |
| 2017 | Contemporary Austin Museum Endowment Fund Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Edward and Betty Marcus Foundation | 990PF | Sec/Treas | 1 | $0 | - | View return |
| 2017 | The Pathway School | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | Western Los Angeles County Council Inc Boy Scouts of America #51 | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | San Benito County Saddle Horse Association | 990 | Board Member | 0 | $0 | $0 | View return |
| 2017 | The Foundry | 990EZ | Secretary/Treasurer | 5 | $0 | $0 | View return |
| 2017 | Monimos Art Foundation | 990PF | Secretary | 0 | $0 | - | View return |
| 2017 | Culver City Chamber of Commerce | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Jewish Federation of Greater Long Beach and West Orange County | 990 | Board Member | 3 | $0 | $0 | View return |
| 2017 | Actor'S Gang Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2017 | Jewish Federation of Greater Long Beach and West Orange County | 990 | Board Member | 3 | $0 | $0 | View return |
| 2016 | The Edward and Betty Marcus Foundation | 990PF | Sec/Treas | 1 | $0 | - | View return |
| 2016 | The Foundry | 990EZ | Secretary/Treasurer | 5 | $0 | $0 | View return |
| 2016 | The Contemporary Austin Museum Inc | 990 | President | 1 | $0 | $0 | View return |
| 2016 | Culver City Chamber of Commerce | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Contemporary Austin Museum Endowment Fund Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Monimos Foundation | 990PF | Secretary | 0 | $0 | - | View return |
| 2016 | Western Los Angeles County Council Inc Boy Scouts of America #51 | 990 | Board Members | 1 | $0 | $0 | View return |
| 2016 | The Pathway School | 990 | Secretary | 1 | $0 | $0 | View return |
| 2016 | The Pathway Corporation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2016 | Jewish Federation of Greater Long Beach and West Orange County | 990 | Board Member | 3 | $0 | $0 | View return |
| 2016 | Actor'S Gang Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2015 | The Foundry | 990EZ | Secretary/Treasurer | 5 | $0 | $0 | View return |
| 2015 | The Edward and Betty Marcus Foundation | 990PF | Sec/Treas | 1 | $0 | - | View return |
| 2015 | The Contemporary Austin Museum Inc | 990 | President | 1 | $0 | $0 | View return |
| 2015 | Contemporary Austin Museum Endowment Fund Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Culver City Chamber of Commerce | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Western Los Angeles County Council Inc Boy Scouts of America #51 | 990 | Executive Board | 1 | $0 | $0 | View return |
| 2015 | The Pathway Corporation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2015 | Actor'S Gang Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2015 | Jewish Federation of Greater Long Beach and West Orange County | 990 | Board Member | 3 | $0 | $0 | View return |
| 2014 | William and Cynthia Marcus Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2014 | Contemporary Austin Museum Endowment Fund Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | The Foundry | 990EZ | Secretary/Treasurer | 5 | $0 | $0 | View return |
| 2014 | The Contemporary Austin Museum Inc | 990 | President-Elect | 1 | $0 | $0 | View return |
| 2014 | The Edward and Betty Marcus Foundation | 990PF | Sec/Treas | 1 | $0 | - | View return |
| 2014 | Culver City Chamber of Commerce | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Philadelphia Society of People and Strategy | 990EZ | Programs Co | 0 | $0 | - | View return |
| 2014 | The Pathway Corporation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2014 | Actor'S Gang Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2013 | Robert G & Natalie S Marcus Charitable Trust | 990PF | Trustee - Executor | 0 | $0 | $0 | View return |
| 2013 | The Edward and Betty Marcus Foundation | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2013 | William and Cynthia Marcus Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2013 | The Foundry | 990EZ | Secretary/Treasurer | 5 | $0 | $0 | View return |
| 2013 | The Greater Philadelphia Senior Executive Group Inc | 990 | Director | 5 | $0 | $0 | View return |
| 2013 | The Contemporary Austin Museum Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Halon Alternatives Research Corporation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2013 | Halon Recycling Corporation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2013 | Coalition for Responsible Fire Protection Inc | 990EZ | Treasurer | 1 | $0 | $0 | View return |
| 2013 | Breakthrough | 990 | President | 2 | $0 | $0 | View return |
| 2013 | The Pathway Corporation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2013 | Actor'S Gang Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2012 | Robert G & Natalie S Marcus Charitable Trust | 990PF | Trustee - Executor | 0 | $0 | $0 | View return |
| 2012 | William and Cynthia Marcus Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2011 | Robert G & Natalie S Marcus Charitable Trust | 990PF | Trustee - Executor | 0 | $0 | $0 | View return |
| 2011 | William and Cynthia Marcus Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2010 | Robert G & Natalie S Marcus Charitable Trust | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2009 | William and Cynthia Marcus Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |