| 2024 | Chedvas Bais Yaakov | 990 | Trustee | 5 | $0 | $0 | View return |
| 2024 | American Friends of Poseach Es | 990 | Incorporator | 4 | $0 | $0 | View return |
| 2024 | Ramsey Historical Association | 990EZ | VP Property And Grounds | 3 | $0 | $0 | View return |
| 2024 | American Friends of Hala | 990 | Trustee | 2 | $0 | $0 | View return |
| 2024 | Zocher Chasdai Ovos | 990 | Trustee | 4 | $0 | $0 | View return |
| 2023 | American Friends of Poseach Es | 990 | Incorporator | 4 | $0 | $0 | View return |
| 2023 | Chedvas Bais Yaakov | 990 | Trustee | 5 | $0 | $0 | View return |
| 2023 | Willett Pond Charitable and Protection Association Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2023 | American Friends of Hala | 990 | Trustee | 2 | $0 | $0 | View return |
| 2023 | Ramsey Historical Association | 990EZ | VP Property Grounds | 0 | $0 | $0 | View return |
| 2023 | Zocher Chasdai Ovos | 990 | Trustee | 4 | $0 | $0 | View return |
| 2022 | Zocher Chasdai Ovos | 990EZ | Trustee | 4 | $0 | $0 | View return |
| 2022 | Ramsey Historical Association | 990EZ | Vice President - Property And Grounds | 5 | $0 | $0 | View return |
| 2022 | American Friends of Poseach Es | 990 | Incorporator | 4 | $0 | $0 | View return |
| 2022 | Willett Pond Charitable and Protection Association Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2022 | American Friends of Hala | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Chedvas Bais Yaakov | 990 | Trustee | 5 | $0 | $0 | View return |
| 2021 | Zocher Chasdai Ovos | 990EZ | Trustee | 4 | $0 | $0 | View return |
| 2021 | American Friends of Hala | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | American Friends of Poseach Es | 990 | Incorporator | 4 | $0 | $0 | View return |
| 2021 | Chedvas Bais Yaakov | 990 | Trustee | 5 | $0 | $0 | View return |
| 2021 | Yeshivath Adath Bnai Israel | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | American Friends of Poseach Es | 990 | Incorporator | 4 | $0 | $0 | View return |
| 2020 | Chedvas Bais Yaakov | 990 | Trustee | 5 | $0 | $0 | View return |
| 2020 | American Friends of Hala | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Zocher Chasdai Ovos | 990EZ | Trustee | 4 | $0 | $0 | View return |
| 2020 | Yeshivath Adath Bnai Israel | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Chedvas Bais Yaakov | 990 | Trustee | 5 | $0 | $0 | View return |
| 2018 | Chedvas Bais Yaakov | 990 | Trustee | 5 | $0 | $0 | View return |
| 2017 | Chedvas Bais Yaakov | 990 | Trustee | 5 | $0 | $0 | View return |
| 2016 | Washington Institute for Near East Policy | 990 | Board Member (Until Aug. 2016) | 3 | $0 | $0 | View return |
| 2016 | The Auschwitz Jewish Center Foundation Inc | 990 | Fndr & Pres Emer (Until 08/16) | 2 | $0 | $0 | View return |
| 2015 | Auschwitz Institute for the Prevention of Genocide and Mass Atrocities | 990 | President | 20 | $0 | $0 | View return |
| 2015 | Washington Institute for Near East Policy | 990 | Board Member | 3 | $0 | $0 | View return |
| 2015 | United Way of Dane County Foundation Inc. | 990 | Board Trustee | 1 | $0 | $0 | View return |
| 2015 | The Auschwitz Jewish Center Foundation Inc | 990 | Founder And President Emeritus | 2 | $0 | $0 | View return |
| 2014 | Asian American Hotel Owners Association Inc | 990 | President (Former) | 40 | $311,988 | $0 | View return |
| 2014 | Asian American Hotel Owners Association Scholarship Fund Inc | 990EZ | Former President | 0 | $0 | $0 | View return |
| 2014 | Aahoa Charitable Fund Inc | 990EZ | Former President | 40 | $0 | $0 | View return |
| 2014 | United Way of Dane County Foundation Inc. | 990 | Board Trustee | 1 | $0 | $0 | View return |
| 2014 | Auschwitz Institute for the Prevention of Genocide and Mass Atrocities | 990 | President | 20 | $0 | $0 | View return |
| 2014 | The Auschwitz Jewish Center Foundation Inc | 990 | Founder And President Emeritus | 2 | - | - | View return |
| 2013 | Asian American Hotel Owners Association Inc | 990 | President | 40 | $231,984 | $0 | View return |
| 2013 | Auschwitz Institute for the Prevention of Genocide and Mass Atrocities | 990 | Founder/President. | 20 | $0 | $0 | View return |
| 2013 | United Way of Dane County Foundation Inc. | 990 | Board Trustee | 1 | $0 | $0 | View return |
| 2013 | Asian American Hotel Owners Association Scholarship Fund Inc | 990EZ | President | 0 | $0 | $0 | View return |
| 2013 | Aahoa Charitable Fund Inc | 990EZ | President | 40 | $0 | $0 | View return |