| 2024 | Pacific Railroad Preservation Association Incorporated | 990EZ | Secratary | 5 | $0 | $0 | View return |
| 2024 | The Mark Siegel Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | Oregon Chapter Community Assn DBA Western Oregon Cai | 990 | Treasurer | 1.5 | $0 | $0 | View return |
| 2024 | Childrens Center of the Faith United Methidist Church of Methuen | 990 | Chairperson | 1 | $0 | $0 | View return |
| 2024 | Isenstadt Legacy House Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2023 | Pacific Railroad Preservation Association Incorporated | 990EZ | Secratary | 10 | $0 | $0 | View return |
| 2023 | Childrens Center of the Faith United Methidist Church of Methuen | 990 | Chairperson | 5 | $0 | $0 | View return |
| 2023 | The Mark Siegel Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | X Prize Foundation Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Oregon Chapter Community Assn DBA Western Oregon Cai | 990EZ | Treasurer | 1.5 | $0 | - | View return |
| 2023 | Belvoir Residence Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2023 | Cedars-Sinai Health System | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | The Maureen and Mike Mansfield Foundation | 990 | Member | 1 | $0 | $0 | View return |
| 2023 | Mcminnville Area Chamber of Commerce | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2023 | Cedars-Sinai Medical Center | 990 | Board Member | 4 | $0 | $0 | View return |
| 2023 | The United States Holocaust Memorial Museum | 990 | Council Member | 1 | $0 | $0 | View return |
| 2023 | Isenstadt Legacy House Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2023 | Noble Residence Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2023 | Jewish Community Housing Inc. | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2023 | Textile Converters Liquidation Benefit Fund | 990EZ | Trustee | 0 | $0 | - | View return |
| 2022 | Services for Hidden Intelligence Inc. | 990 | Assistant Direc | 20 | $37,984 | $0 | View return |
| 2022 | The Mark Siegel Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Maureen and Mike Mansfield Foundation | 990 | Member | 1 | $0 | $0 | View return |
| 2022 | X Prize Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | United Israel Appeal of Canada Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Oregon Chapter Community Assn DBA Western Oregon Cai | 990EZ | Treasurer | 1.5 | $0 | - | View return |
| 2022 | Childrens Center of the Faith United Methidist Church of Methuen | 990 | Chairperson | 5 | $0 | $0 | View return |
| 2022 | Cedars-Sinai Medical Center | 990 | Board Member | 4 | $0 | $0 | View return |
| 2022 | Textile Converters Liquidation Benefit Fund | 990EZ | Trustee | 0 | $0 | - | View return |
| 2022 | Noble Residence Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2022 | Mcminnville Area Chamber of Commerce | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2022 | Lancer Booster Club | 990 | Treasurer - Wrestling | 2 | $0 | $0 | View return |
| 2022 | Belvoir Residence Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2022 | Isenstadt Legacy House Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2022 | Kbtc Association | 990 | President | 1 | $0 | $0 | View return |
| 2022 | The United States Holocaust Memorial Museum | 990 | Council Member | 1 | $0 | $0 | View return |
| 2022 | Jewish Community Housing Inc. | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2022 | Cedars-Sinai Health System | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | Services for Hidden Intelligence Inc. | 990 | Assistant Direc | 20 | $38,848 | $0 | View return |
| 2021 | Childrens Center of the Faith United Methidist Church of Methuen | 990 | Chairperson | 5 | $0 | $0 | View return |
| 2021 | Youth Business Alliance Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2021 | X Prize Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Mark Siegel Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Oregon Chapter Community Assn DBA Western Oregon Cai | 990EZ | Director | 1.5 | $0 | - | View return |
| 2021 | Ypo Palm Beach Gold Inc | 990 | Ypo Palm Bch | - | $0 | $0 | View return |
| 2021 | The Maureen and Mike Mansfield Foundation | 990 | Member | 1 | $0 | $0 | View return |
| 2021 | Jewish Community Housing Inc. | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2021 | Cedars-Sinai Health System | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | Textile Converters Liquidation Benefit Fund | 990EZ | Trustee | 0 | $0 | - | View return |
| 2021 | Kbtc Association | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2021 | Belvoir Residence Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2021 | Noble Residence Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2021 | Isenstadt Legacy House Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2021 | Cedars-Sinai Medical Center | 990 | Board Member | 5 | $0 | $0 | View return |
| 2021 | Mcminnville Area Chamber of Commerce | 990 | Past Chair | 2 | $0 | $0 | View return |
| 2020 | Services for Hidden Intelligence Inc. | 990 | Assistant Direc | 20 | $31,876 | $0 | View return |
| 2020 | Oregon Chapter Community Assn DBA Western Oregon Cai | 990EZ | Director | 5 | $0 | - | View return |
| 2020 | Youth Business Alliance Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2020 | Textile Converters Liquidation Benefit Fund | 990EZ | Trustee | 0 | $0 | - | View return |
| 2020 | Southwick Police Association Incorporated | 990EZ | Vice President | 5 | $0 | - | View return |
| 2020 | Childrens Center of the Faith United Methidist Church of Methuen | 990 | President | 5 | $0 | $0 | View return |
| 2020 | The Mark Siegel Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Ypo Palm Beach Gold Inc | 990 | Ypo Palm Bch | 1 | $0 | $0 | View return |
| 2020 | Belvoir Residence Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2020 | Noble Residence Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2020 | Cedars-Sinai Health System | 990 | Board Member | 2 | $0 | $0 | View return |
| 2020 | Cedars-Sinai Medical Center | 990 | Board Member | 5 | $0 | $0 | View return |
| 2020 | Kbtc Association | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2020 | Jewish Community Housing Inc. | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2020 | Isenstadt Legacy House Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2020 | The Center for Early Education | 990 | Trustee (Thru 06/21) | 1 | $0 | $0 | View return |
| 2019 | Services for Hidden Intelligence Inc. | 990 | Assistant Direc | 20 | $34,026 | $0 | View return |
| 2019 | Childrens Center of the Faith United Methidist Church of Methuen | 990 | President | 5 | $0 | $0 | View return |
| 2019 | Southwick Police Association Incorporated | 990EZ | Vice President | 5 | $0 | - | View return |
| 2019 | The Mark Siegel Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Belvoir Residence Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2019 | Kbtc Association | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2019 | The Center for Early Education | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Cedars-Sinai Health System | 990 | Board Member | 2 | $0 | $0 | View return |
| 2019 | Textile Converters Liquidation Benefit Fund | 990EZ | Trustee | 0 | $0 | - | View return |
| 2019 | Jewish Community Housing Inc. | 990 | Trustee, Pres To 7/19/2019 | 0.3 | $0 | $0 | View return |
| 2019 | Isenstadt Legacy House Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2019 | Noble Residence Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2019 | Cedars-Sinai Medical Center | 990 | Board Member | 5 | $0 | $0 | View return |
| 2018 | Services for Hidden Intelligence Inc. | 990 | Assistant Direc | 20 | $32,642 | $0 | View return |
| 2018 | Bradys Bunch Lacrosse | 990EZ | Treasurer | 2 | $0 | - | View return |
| 2018 | Southwick Police Association Incorporated | 990EZ | Vice President | 0 | $0 | - | View return |
| 2018 | The Mark Siegel Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | Childrens Center of the Faith United Methidist Church of Methuen | 990 | President | 5 | $0 | $0 | View return |
| 2018 | Jewish Community Housing Inc. | 990 | Trustee, President | 0.3 | $0 | $0 | View return |
| 2018 | Cedars-Sinai Medical Center | 990 | Board Member | 5 | $0 | $0 | View return |
| 2018 | Isenstadt Legacy House Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2018 | Cedars-Sinai Health System | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | Kbtc Association | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2018 | Belvoir Residence Inc. | 990EZ | Director | 0.05 | $0 | $0 | View return |
| 2018 | The Center for Early Education | 990 | Trustee (As Of 07/18) | 1 | $0 | $0 | View return |
| 2017 | Services for Hidden Intelligence Inc. | 990 | Assistant Direc | 20 | $53,505 | $0 | View return |
| 2017 | Bradys Bunch Lacrosse | 990EZ | Treasurer | 2 | $0 | - | View return |
| 2017 | Southwick Police Association Incorporated | 990EZ | Vice President | 0 | $0 | - | View return |
| 2017 | Childrens Center of the Faith United Methidist Church of Methuen | 990 | President | 5 | $0 | $0 | View return |
| 2017 | The Mark Siegel Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | Cedars-Sinai Health System | 990 | Board Member | 2 | $0 | $0 | View return |
| 2017 | Cedars-Sinai Medical Center | 990 | Board Member | 5 | $0 | $0 | View return |
| 2017 | The Center for Early Education | 990 | President | 1 | $0 | $0 | View return |
| 2017 | Kbtc Association | 990 | Chair - Current | 1 | $0 | $0 | View return |
| 2017 | Jewish Community Housing Inc. | 990 | Trustee, President | 0.5 | $0 | $0 | View return |
| 2017 | The Center for Early Education | 990 | President | 1 | $0 | $0 | View return |
| 2016 | Services for Hidden Intelligence Inc. | 990 | Assistant Direc | 20 | $61,845 | $130,000 | View return |
| 2016 | Southwick Police Association Incorporated | 990EZ | Vice President | 0 | $0 | - | View return |
| 2016 | Childrens Center of the Faith United Methidist Church of Methuen | 990 | President | 5 | $0 | $0 | View return |
| 2016 | Parkinsons Community Los Angeles | 990EZ | Director | 3 | $0 | $0 | View return |
| 2016 | The Mark Siegel Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2016 | Western Association of Venture Capitalists | 990EZ | Director | 0.1 | $0 | $0 | View return |
| 2016 | Kbtc Association | 990 | Member | 1 | $0 | $0 | View return |
| 2016 | The J Paul Getty Trust | 990PF | Trustee | 3 | $0 | $0 | View return |
| 2016 | The Center for Early Education | 990 | President | 1 | $0 | $0 | View return |
| 2016 | Cedars-Sinai Medical Center | 990 | Board Member | 5 | $0 | $0 | View return |
| 2015 | Services for Children with Hidden Intelligence Inc. | 990 | Assistant Director | 40 | $131,000 | $76,941 | View return |
| 2015 | Services for Hidden Intelligence Inc. | 990 | Assistant Di | 20 | $76,172 | $131,000 | View return |
| 2015 | The Mark Siegel Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2015 | Childrens Center of the Faith United Methidist Church of Methuen | 990 | President | 5 | $0 | $0 | View return |
| 2015 | Southwick Police Association Incorporated | 990EZ | Vice President | 0 | $0 | - | View return |
| 2015 | Kbtc Association | 990 | Member | 1 | $0 | $0 | View return |
| 2015 | The J Paul Getty Trust | 990PF | Trustee | 3 | $0 | $0 | View return |
| 2015 | Cedars-Sinai Medical Center | 990 | Board Member | 5 | $0 | $0 | View return |
| 2015 | The Center for Early Education | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Western Association of Venture Capitalists | 990EZ | Director | 0.5 | $0 | $0 | View return |
| 2014 | Services for Children with Hidden Intelligence Inc. | 990 | Assistant Di | 40 | $130,000 | $0 | View return |
| 2014 | Services for Hidden Intelligence Inc. | 990 | Assistant Di | 20 | $55,304 | $130,000 | View return |
| 2014 | Southwick Police Association Incorporated | 990EZ | Vice President | 0 | $0 | - | View return |
| 2014 | Childrens Center of the Faith United Methidist Church of Methuen | 990 | President | 5 | $0 | $0 | View return |
| 2014 | The Mark Siegel Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2014 | Republican Jewish Coalition | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The J Paul Getty Trust | 990PF | Chairman, Board Of Trustees | 5 | $0 | $0 | View return |
| 2014 | The Center for Early Education | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Cedars-Sinai Medical Center | 990 | Board Member | 5 | $0 | $0 | View return |
| 2014 | Western Association of Venture Capitalists | 990EZ | Director | 0.5 | $0 | $0 | View return |
| 2013 | Altru Health System | 990 | Medical Director Of Care M | 40 | $240,795 | $0 | View return |
| 2013 | Services for Children with Hidden Intelligence Inc. | 990 | Assistant Di | 40 | $130,000 | $39,746 | View return |
| 2013 | Services for Hidden Intelligence Inc. | 990 | Assistant Di | 20 | $40,053 | $130,000 | View return |
| 2013 | Republican Jewish Coalition | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Southwick Police Association Incorporated | 990EZ | Vice President | 0 | $0 | - | View return |
| 2013 | The Mark Siegel Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2013 | Childrens Center of the Faith United Methidist Church of Methuen | 990 | President | 5 | $0 | $0 | View return |
| 2013 | Kbtc Association | 990 | Member | 1 | $0 | $0 | View return |
| 2013 | The J Paul Getty Trust | 990PF | Chairman, Board Of Trustees | 5 | $0 | $0 | View return |
| 2013 | Cedars-Sinai Medical Center | 990 | Board Member | 5 | $0 | $0 | View return |
| 2013 | Western Association of Venture Capitalists | 990EZ | Vice Pres, Co-Program Chai | 0.9 | $0 | $0 | View return |
| 2013 | Thomas Edison Charter Academy | 990 | V.P., Resigned | 2 | $0 | $0 | View return |
| 2013 | Cedars-Sinai Medical Care Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Little League Baseball Inc Manhattan Little League | 990 | Director | 5.5 | $0 | $0 | View return |
| 2012 | The Mark Siegel Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2012 | The J Paul Getty Trust | 990PF | Chairman, Board Of Trustees | 3 | $0 | - | View return |
| 2011 | The J Paul Getty Trust | 990PF | Chairman, Board Of Trustees | 3 | $0 | $0 | View return |
| 2010 | The J Paul Getty Trust | 990PF | Chairman, Board Of Trustees | 3 | $0 | $0 | View return |
| 2009 | The J Paul Getty Trust | 990PF | Chairman, Board Of Trustees | 3 | $0 | $0 | View return |