| 2024 | Steamfitters Local 420 Apprenticeship and Journeyman Training Fund | 990 | Director-Mechanical | 45 | $206,936 | $0 | View return |
| 2024 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 26 | $90,000 | $0 | View return |
| 2024 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 26 | $90,000 | $0 | View return |
| 2024 | Michigan Film Industry Association | 990 | Secretary | 10 | $0 | $0 | View return |
| 2024 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 0 | $0 | $0 | View return |
| 2024 | Family Autism Center Inc. | 990 | Director | - | $0 | $0 | View return |
| 2024 | Long Island Partnership Housing Development Fund Co Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2024 | Lifesworc Foundation | 990 | Director | - | $0 | $0 | View return |
| 2024 | Tredyffrin-Easttown Youth Soccer Association Inc. | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2024 | Nassau Suffolk Partnership Housing Development Fund Company Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2024 | Hillel the Foundation for Jewish Campus Life | 990 | Board Member | 2 | $0 | $0 | View return |
| 2024 | Livingston Community Partnership Management Corporation | 990 | Trustee | 5 | $0 | $0 | View return |
| 2024 | CMM Cares Inc. | 990EZ | Director | 2 | $0 | $0 | View return |
| 2024 | Hunlington Library Foundation Incorporated | 990EZ | Chair Emeritus | 1 | $0 | - | View return |
| 2024 | Friends of Science East Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2024 | Alpha Omega Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Hillel the Foundation for Jewish Campus Life | 990 | Board Member | 2 | $0 | $0 | View return |
| 2024 | Nativity Academy at Saint Boniface Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2023 | Steamfitters Local Union No 420 | 990 | Director | 45 | $191,487 | $0 | View return |
| 2023 | Steamfitters Local 420 Apprenticeship and Journeyman Training Fund | 990 | Director-Mechanical | 45 | $191,486 | $0 | View return |
| 2023 | Michigan Nurses Association | 990 | Aed Of Organizing | 45 | $119,377 | $0 | View return |
| 2023 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 26 | $90,000 | $0 | View return |
| 2023 | Ludwig Von Mises Institute for Austrian Economics Inc. | 990 | Director | 25 | $19,244 | $0 | View return |
| 2023 | Ludwig Von Mises Institute for Austrian Economics Inc. | 990 | Director | 25 | $19,244 | $0 | View return |
| 2023 | Hunlington Library Foundation Incorporated | 990EZ | Chair Emeritus | 1 | $0 | - | View return |
| 2023 | Long Island Partnership Community Development Corporation | 990 | Director | 0.1 | $0 | $0 | View return |
| 2023 | International Pipe Trades Joint Training Committee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Livingston Community Partnership Management Corporation | 990 | Trustee | 5 | $0 | $0 | View return |
| 2023 | Family Autism Center Inc. | 990 | Director | - | $0 | $0 | View return |
| 2023 | Lifesworc Foundation | 990 | Director | - | $0 | $0 | View return |
| 2023 | Long Island Housing Partnership Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2023 | Long Island Partnership Housing Development Fund Co Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2023 | CMM Cares Inc. | 990EZ | Director | 2 | $0 | - | View return |
| 2023 | Michigan Film Industry Association | 990 | Board Member | 10 | $0 | $0 | View return |
| 2023 | Friends of Science East Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | The Holocaust Memorial & Tolerance Center of Nassau County Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 1 | $0 | $0 | View return |
| 2023 | Nassau Suffolk Partnership Housing Development Fund Company Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2023 | Tredyffrin-Easttown Youth Soccer Association Inc. | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2023 | Terracycle Global Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Livingston Community Partnership Management Corporation | 990 | Trustee | 5 | $0 | $0 | View return |
| 2023 | Life'S Worc Inc | 990 | Director | - | $0 | $0 | View return |
| 2023 | Nativity Academy at Saint Boniface Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2023 | Alpha Omega Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Steamfitters Local 420 Apprenticeship and Journeyman Training Fund | 990 | Director-Mechanical | 45 | $184,112 | $0 | View return |
| 2022 | Steamfitters Local Union No 420 | 990 | Director | 45 | $184,112 | $0 | View return |
| 2022 | Michigan Nurses Association | 990 | Aed Of Organizing | 45 | $103,162 | $0 | View return |
| 2022 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 26 | $90,000 | $0 | View return |
| 2022 | Hunlington Library Foundation Incorporated | 990EZ | Chairperson | 1 | $0 | - | View return |
| 2022 | Livingston Community Partnership Management Corporation | 990 | Trustee | 5 | $0 | $0 | View return |
| 2022 | International Pipe Trades Joint Training Committee Inc. | 990 | Vice President | 1 | $0 | $0 | View return |
| 2022 | CMM Cares Inc. | 990EZ | Director | 2 | $0 | - | View return |
| 2022 | International Cinematographers Guild | 990 | National Executive Board-Past | 1 | $0 | $0 | View return |
| 2022 | Long Island Partnership Housing Development Fund Co Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2022 | Michigan Film Industry Association | 990 | Board Member | 10 | $0 | $0 | View return |
| 2022 | Nassau Suffolk Partnership Housing Development Fund Company Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2022 | Long Island Housing Partnership Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2022 | The Holocaust Memorial & Tolerance Center of Nassau County Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 1 | $0 | $0 | View return |
| 2022 | Family Autism Center Inc. | 990 | Director | - | $0 | $0 | View return |
| 2022 | Lifesworc Foundation | 990 | Director | - | $0 | $0 | View return |
| 2022 | Friends of Science East Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2022 | Tredyffrin-Easttown Youth Soccer Association Inc. | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2022 | Long Island Partnership Community Development Corporation | 990 | Director | 0.1 | $0 | $0 | View return |
| 2022 | Nativity Academy at Saint Boniface Inc | 990 | Chair | 8 | $0 | $0 | View return |
| 2022 | Alpha Omega Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Life'S Worc Inc | 990 | Director | - | $0 | $0 | View return |
| 2021 | Steamfitters Local 420 Apprenticeship and Journeyman Training Fund | 990 | Director-Mechanical | 45 | $178,102 | $0 | View return |
| 2021 | Steamfitters Local Union No 420 | 990 | Director | 45 | $178,102 | $0 | View return |
| 2021 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 26 | $90,000 | $0 | View return |
| 2021 | American Postal Workers Union Local 438 | 990EZ | Maintenance Steward | 10 | $800 | - | View return |
| 2021 | Hunlington Library Foundation Incorporated | 990EZ | Chairperson | 1 | $0 | - | View return |
| 2021 | Family Autism Center Inc. | 990 | Director | - | $0 | $0 | View return |
| 2021 | International Pipe Trades Joint Training Committee Inc. | 990 | Vice President | 1 | $0 | $0 | View return |
| 2021 | CMM Cares Inc. | 990EZ | Director | 2 | $0 | - | View return |
| 2021 | Livingston Community Partnership Management Corporation | 990 | Trustee | 5 | $0 | $0 | View return |
| 2021 | Long Island Partnership Community Development Corporation | 990EZ | Director | 0.1 | $0 | - | View return |
| 2021 | Long Island Partnership Housing Development Fund Co Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2021 | Long Island Housing Partnership Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2021 | The Holocaust Memorial & Tolerance Center of Nassau County Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Michigan Film Industry Association | 990 | Board Member | 10 | $0 | $0 | View return |
| 2021 | International Cinematographers Guild | 990 | National Executive Board | 1 | $0 | $0 | View return |
| 2021 | Tredyffrin-Easttown Youth Soccer Association Inc. | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2021 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 0 | $0 | $0 | View return |
| 2021 | Alpha Omega Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Nassau Suffolk Partnership Housing Development Fund Company Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2021 | Nativity Academy at Saint Boniface Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | Life'S Worc Inc | 990 | Director | - | $0 | $0 | View return |
| 2020 | Steamfitters Local 420 Apprenticeship and Journeyman Training Fund | 990 | Director-Mechanical | 45 | $172,598 | $0 | View return |
| 2020 | Steamfitters Local Union No 420 | 990 | Director | 45 | $172,598 | $0 | View return |
| 2020 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 26 | $90,000 | $0 | View return |
| 2020 | North Idaho Volleyball Club Inc. | 990EZ | Director | 3 | $2,230 | - | View return |
| 2020 | Family Autism Center Inc. | 990 | Director | - | $0 | $0 | View return |
| 2020 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 1 | $0 | $0 | View return |
| 2020 | Tredyffrin-Easttown Youth Soccer Association Inc. | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2020 | Usdan Center for the Creative and Performing Arts | 990 | Director Till 10.20 | 2 | $0 | $0 | View return |
| 2020 | The Sioux Falls Business Resource Network Inc | 990EZ | Director | 1 | $0 | $0 | View return |
| 2020 | Nassau Suffolk Partnership Housing Development Fund Company Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2020 | Long Island Partnership Housing Development Fund Co Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2020 | Livingston Community Partnership Management Corporation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Alpha Omega Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Nativity Academy at Saint Boniface Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Hunlington Library Foundation Incorporated | 990EZ | Chairperson | 1 | $0 | - | View return |
| 2020 | Long Island Partnership Community Development Corporation | 990EZ | Director | 0.1 | $0 | - | View return |
| 2020 | The Holocaust Memorial & Tolerance Center of Nassau County Inc. | 990 | Director | - | $0 | $0 | View return |
| 2020 | International Pipe Trades Joint Training Committee Inc. | 990 | Vice President | 1 | $0 | $0 | View return |
| 2020 | Long Island Housing Partnership Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2020 | International Cinematographers Guild | 990 | National Executive Board | 1 | $0 | $0 | View return |
| 2020 | Life'S Worc Inc | 990 | Director | - | $0 | $0 | View return |
| 2020 | Michigan Film Industry Association | 990 | Board Member | 4 | $0 | $0 | View return |
| 2019 | Steamfitters Local Union No 420 | 990 | Director | 45 | $169,792 | $0 | View return |
| 2019 | Steamfitters Local 420 Apprenticeship and Journeyman Training Fund | 990 | Director-Mechanical | 45 | $169,792 | $0 | View return |
| 2019 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 26 | $90,000 | $0 | View return |
| 2019 | Electrical Welfare Trust Fund | 990 | Fund Manager - Thru April 2019 | 40 | $82,175 | $0 | View return |
| 2019 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 1 | $0 | $0 | View return |
| 2019 | Long Island Partnership Housing Development Fund Co Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2019 | Family Autism Center Inc. | 990 | Director | - | $0 | $0 | View return |
| 2019 | Long Island Housing Partnership Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2019 | Nativity Academy at Saint Boniface Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Holocaust Memorial & Tolerance Center of Nassau County Inc. | 990 | Director | - | $0 | $0 | View return |
| 2019 | International Pipe Trades Joint Training Committee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Livingston Community Partnership Management Corporation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Nassau Suffolk Partnership Housing Development Fund Company Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2019 | International Cinematographers Guild | 990 | National Executive Board | 1 | $0 | $0 | View return |
| 2019 | Tredyffrin-Easttown Youth Soccer Association Inc. | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2019 | Long Island Partnership Community Development Corporation | 990EZ | Director | 0.1 | $0 | - | View return |
| 2019 | The Don Monti Memorial Research Foundation Inc | 990 | Advisory Board | 0 | $0 | $0 | View return |
| 2019 | Life'S Worc Inc | 990 | Director | - | $0 | $0 | View return |
| 2018 | Electrical Welfare Trust Fund | 990 | Fund Manager | 40 | $248,831 | $0 | View return |
| 2018 | Steamfitters Local Union No 420 | 990 | Director | 45 | $161,524 | $0 | View return |
| 2018 | Steamfitters Local 420 Apprenticeship and Journeyman Training Fund | 990 | Director-Mechanical | 45 | $161,524 | $0 | View return |
| 2018 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 26 | $90,000 | $0 | View return |
| 2018 | Livingston Community Partnership Management Corporation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 0 | $0 | $0 | View return |
| 2018 | Family Autism Center Inc. | 990 | Director | - | $0 | $0 | View return |
| 2018 | Assoc of Benefit Administrators Inc Co Karleen Oneill Smw Local 25 | 990EZ | Director | 0 | $0 | - | View return |
| 2018 | Nativity Academy at Saint Boniface Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | International Pipe Trades Joint Training Committee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Holocaust Memorial & Tolerance Center of Nassau County Inc. | 990 | Director | - | $0 | $0 | View return |
| 2018 | Tredyffrin-Easttown Youth Soccer Association Inc. | 990 | Secretary | 3 | $0 | $0 | View return |
| 2018 | Usdan Center for the Creative and Performing Arts | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Sea Cliff Chamber Players Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2018 | Life'S Worc Inc | 990 | Director | - | $0 | $0 | View return |
| 2018 | The Don Monti Memorial Research Foundation Inc | 990 | Advisory Board | 0 | $0 | $0 | View return |
| 2017 | Electrical Welfare Trust Fund | 990 | Fund Manager | 40 | $213,638 | $0 | View return |
| 2017 | Steamfitters Local 420 Apprenticeship and Journeyman Training Fund | 990 | Director-Mechanical | 45 | $156,318 | $0 | View return |
| 2017 | Steamfitters Local Union No 420 | 990 | Director | 45 | $156,318 | $0 | View return |
| 2017 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 26 | $90,000 | $0 | View return |
| 2017 | Family Autism Center Inc. | 990 | Director | - | $0 | $0 | View return |
| 2017 | Tredyffrin-Easttown Youth Soccer Association Inc. | 990 | Secretary | 3 | $0 | $0 | View return |
| 2017 | Livingston Community Partnership Management Corporation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | The Holocaust Memorial & Tolerance Center of Nassau County Inc. | 990 | Director | - | $0 | $0 | View return |
| 2017 | Dante Foundation of Nassau County Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | The Head of the Bay Club Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 0 | $0 | $0 | View return |
| 2017 | International Pipe Trades Joint Training Committee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Assoc of Benefit Administrators Inc Co Karleen Oneill Smw Local 25 | 990EZ | Director | 0 | $0 | - | View return |
| 2017 | Sea Cliff Chamber Players Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2017 | The Don Monti Memorial Research Foundation Inc | 990 | Advisory Board | 0 | $0 | $0 | View return |
| 2017 | Life'S Worc Inc | 990 | Director | - | $0 | $0 | View return |
| 2016 | Electrical Welfare Trust Fund | 990 | Fund Manager | 40 | $206,972 | $0 | View return |
| 2016 | Steamfitters Local 420 Apprenticeship and Journeyman Training Fund | 990 | Director-Mechanical | 45 | $151,230 | $0 | View return |
| 2016 | Steamfitters Local Union No 420 | 990 | Director | 45 | $151,230 | $0 | View return |
| 2016 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 26 | $70,195 | $0 | View return |
| 2016 | The Head of the Bay Club Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | The Holocaust Memorial & Tolerance Center of Nassau County Inc. | 990 | Director | - | $0 | $0 | View return |
| 2016 | Foundation 51 | 990EZ | Director | 0.5 | $0 | $0 | View return |
| 2016 | Family Autism Center Inc. | 990 | Director | - | $0 | $0 | View return |
| 2016 | Office & Professional Employees International Union | 990 | Executive Board | 1 | $0 | $0 | View return |
| 2016 | Dante Foundation of Nassau County Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | Sea Cliff Chamber Players Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2016 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 0 | $0 | $0 | View return |
| 2016 | Assoc of Benefit Administrators Inc Co Karleen Oneill Smw Local 25 | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | The Don Monti Memorial Research Foundation Inc | 990 | Advisory Board | 0 | $0 | $0 | View return |
| 2016 | Life'S Worc Inc | 990 | Director | - | $0 | $0 | View return |
| 2015 | Electrical Welfare Trust Fund | 990 | Fund Manager | 40 | $202,252 | $0 | View return |
| 2015 | Steamfitters Local Union No 420 | 990 | Director | 45 | $146,774 | $0 | View return |
| 2015 | Steamfitters Local 420 Apprenticeship and Journeyman Training Fund | 990 | Director-Mechanical | 45 | $146,774 | $0 | View return |
| 2015 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 26 | $70,025 | - | View return |
| 2015 | Family Autism Center Inc. | 990 | Director | - | $0 | $0 | View return |
| 2015 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 1 | $0 | $0 | View return |
| 2015 | Dante Foundation of Nassau County Inc. | 990 | Director | - | $0 | $0 | View return |
| 2015 | The Head of the Bay Club Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Office & Professional Employees International Union | 990 | Executive Board | 1 | $0 | $0 | View return |
| 2015 | The Holocaust Memorial & Tolerance Center of Nassau County Inc. | 990 | Director | - | $0 | $0 | View return |
| 2015 | Assoc of Benefit Administrators Inc Co Karleen Oneill Smw Local 25 | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | Sea Cliff Chamber Players Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2015 | Foundation 51 | 990EZ | Director | 0 | $0 | $0 | View return |
| 2015 | Trustees of Clark University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Life'S Worc Inc | 990 | Director | - | $0 | $0 | View return |
| 2015 | Jewish Community Center of Metro West Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Splashes of Hope Inc. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2015 | Alumni Association of the Bronx High School of Science | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | The Don Monti Memorial Research Foundation Inc | 990 | Advisory Board | 0 | $0 | $0 | View return |
| 2014 | Electrical Welfare Trust Fund | 990 | Fund Manager | 40 | $216,970 | $0 | View return |
| 2014 | Steamfitters Local 420 Apprenticeship and Journeyman Training Fund | 990 | Director-Mechanical | 45 | $143,072 | $0 | View return |
| 2014 | Steamfitters Local Union No 420 | 990 | Director | 45 | $141,928 | $0 | View return |
| 2014 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 26 | $70,025 | - | View return |
| 2014 | View Ridge Swim and Tennis Club Inc | 990 | Manager | 10 | $30,000 | $0 | View return |
| 2014 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 2 | $0 | $0 | View return |
| 2014 | Living Arts Inc | 990PF | President | 20 | $0 | - | View return |
| 2014 | Foundation 51 | 990EZ | Director | 0 | $0 | $0 | View return |
| 2014 | Long Island Partnership Housing Development Fund Co Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Assoc of Benefit Administrators Inc Co Karleen Oneill Smw Local 25 | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | Multiplying Good Inc. | 990 | Governor | 1 | $0 | $0 | View return |
| 2014 | The Holocaust Memorial & Tolerance Center of Nassau County Inc. | 990 | - | - | $0 | $0 | View return |
| 2014 | Long Island Housing Partnership Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Dante Foundation of Nassau County Inc. | 990 | Director | - | $0 | - | View return |
| 2014 | Sea Cliff Chamber Players Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2014 | Alumni Association of the Bronx High School of Science | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Trustees of Clark University | 990 | Trustee | 15 | $0 | $0 | View return |
| 2013 | Electrical Welfare Trust Fund | 990 | Fund Manager | 40 | $210,258 | $0 | View return |
| 2013 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 26 | $70,025 | $0 | View return |
| 2013 | View Ridge Swim and Tennis Club Inc | 990 | Manager | 10 | $30,000 | $0 | View return |
| 2013 | Foundation 51 | 990EZ | Director | 0 | $0 | $0 | View return |
| 2013 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 1 | $0 | $0 | View return |
| 2013 | Duke Club of Washington Inc | 990EZ | Board Member | 1 | $0 | - | View return |
| 2013 | The Holocaust Memorial & Tolerance Center of Nassau County Inc. | 990 | - | - | $0 | $0 | View return |
| 2013 | Moveable Feast Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Sea Cliff Chamber Players Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2013 | Dante Foundation of Nassau County Inc. | 990 | Director | - | $0 | - | View return |
| 2013 | Assoc of Benefit Administrators Inc Co Karleen Oneill Smw Local 25 | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Multiplying Good Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Living Arts Inc | 990PF | President | 20 | $0 | - | View return |
| 2013 | Trustees of Clark University | 990 | Trustee | 15 | $0 | $0 | View return |
| 2013 | Alumni Association of the Bronx High School of Science | 990 | Trustee | 2 | $0 | $0 | View return |
| 2012 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 26 | $151,337 | - | View return |
| 2012 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 1 | $0 | $0 | View return |
| 2011 | The Claire Friedlander Family Foundation | 990PF | President/Treasurer | 13 | $0 | $0 | View return |
| 2011 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 1 | $0 | $0 | View return |
| 2010 | Living Arts Inc | 990PF | President | 20 | $0 | $0 | View return |
| 2010 | Ellen M and Peter M Klein Foundation Inc. | 990PF | Pres Trustee | 1 | $0 | $0 | View return |