| 2025 | Joyce M Stielau and Herbert W Stielau Foundation | 990PF | Director | 3 | $17,000 | $0 | View return |
| 2025 | Hockey Humanitarian Award Foundation | 990PF | Trustee | 2 | $0 | - | View return |
| 2024 | Joyce M Stielau and Herbert W Stielau Foundation | 990PF | Director | 3 | $17,000 | $0 | View return |
| 2024 | Howard Amster Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2024 | Hockey Humanitarian Award Foundation | 990PF | Trustee | 2 | $0 | - | View return |
| 2024 | Northwest Girl Choir | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Joyce M Stielau and Herbert W Stielau Foundation | 990PF | Director | 3 | $17,000 | $0 | View return |
| 2023 | Howard Amster Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2023 | Hockey Humanitarian Award Foundation | 990PF | Trustee | 2 | $0 | - | View return |
| 2023 | Greater Philadelphia Association of Realtors | 990 | Legal Counsel | 1 | $0 | $0 | View return |
| 2023 | Association for Corporate Growth - Group | 990 | Director-Orlando | 2 | $0 | $0 | View return |
| 2023 | Northwest Girl Choir | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Joyce M Stielau and Herbert W Stielau Foundation | 990PF | Director | 3 | $17,000 | $0 | View return |
| 2022 | Hockey Humanitarian Award Foundation | 990PF | Trustee | 2 | $0 | - | View return |
| 2022 | Greater Philadelphia Association of Realtors | 990 | Legal Counsel | 1 | $0 | $0 | View return |
| 2022 | Howard Amster Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2022 | Northwest Girl Choir | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Association for Corporate Growth - Group | 990 | Director-Orlando | 1 | $0 | $0 | View return |
| 2021 | Joyce M Stielau and Herbert W Stielau Foundation | 990PF | Director | 3 | $15,000 | $0 | View return |
| 2021 | Hockey Humanitarian Award Foundation | 990PF | Trustee | 2 | $0 | - | View return |
| 2021 | Howard Amster Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2021 | Greater Philadelphia Association of Realtors | 990 | Legal Counsel | 1 | $0 | $0 | View return |
| 2021 | Association for Corporate Growth - Group | 990 | Director-Orl | 1 | $0 | $0 | View return |
| 2021 | Association for Corporate Growth - Group | 990 | Director-Orl | 1 | $0 | $0 | View return |
| 2021 | Prairie School of Dupage | 990 | Board Member | - | $0 | $0 | View return |
| 2020 | Joyce M Stielau and Herbert W Stielau Foundation | 990PF | Director | 3 | $15,000 | $0 | View return |
| 2020 | Hockey Humanitarian Award Foundation | 990PF | Trustee | 2 | $0 | - | View return |
| 2020 | Grand Lodge Free and Accepted Masons of Wisconsin | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Greater Philadelphia Association of Realtors | 990 | Legal Counsel | 1 | $0 | $0 | View return |
| 2020 | Howard Amster Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2020 | Prairie School of Dupage | 990 | Board Member | - | $0 | $0 | View return |
| 2019 | Joyce M Stielau and Herbert W Stielau Foundation | 990PF | Director | 3 | $15,000 | $0 | View return |
| 2019 | North East Regional Board of Dental Examiners Inc | 990 | Member-At-Large | 7 | $10,680 | $0 | View return |
| 2019 | Phelps Memorial Hospital Association C/O Northwell Health Inc | 990 | Secretary | 0 | $0 | $0 | View return |
| 2019 | Prairie School of Dupage | 990 | President | 25 | $0 | $0 | View return |
| 2019 | Phelps Community Corporation D/B/A Phelps Healthcare Foundation | 990 | Secretary, Thru. Dec. 2019 | 1 | $0 | $0 | View return |
| 2019 | Hockey Humanitarian Award Foundation | 990PF | Trustee | 2 | $0 | - | View return |
| 2019 | Grand Lodge Free and Accepted Masons of Wisconsin | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Menorah Park Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Association for Corporate Growth - Group | 990 | Past President - Acg Greater Orlando | 5 | $0 | $0 | View return |
| 2018 | Joyce M Stielau and Herbert W Stielau Foundation | 990PF | Director | 3 | $15,000 | $0 | View return |
| 2018 | Phelps Memorial Hospital Association C/O Northwell Health Inc | 990 | Secretary | 0 | $0 | $0 | View return |
| 2018 | Phelps Community Corporation D/B/A Phelps Healthcare Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2018 | Grand Lodge Free and Accepted Masons of Wisconsin | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Realtors Association of Indian River County Inc | 990 | Director | - | $0 | $0 | View return |
| 2018 | Menorah Park Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Joyce M Stielau and Herbert W Stielau Foundation | 990PF | Director | 3 | $15,000 | $0 | View return |
| 2017 | Phelps Community Corporation D/B/A Phelps Healthcare Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | Grand Lodge Free and Accepted Masons of Wisconsin | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Phelps Memorial Hospital Association C/O Northwell Health Inc | 990 | Secretary | 0 | $0 | $0 | View return |
| 2017 | Menorah Park Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Grand Lodge Free and Accepted Masons of Wisconsin | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Phelps Community Corporation D/B/A Phelps Healthcare Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2016 | Menorah Park Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Whittier PTA Seattle Council | 990EZ | Co-President | 10 | $0 | $0 | View return |
| 2015 | Phelps Community Corporation D/B/A Phelps Healthcare Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2015 | Phelps Memorial Hospital Association C/O Northwell Health Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2015 | Los Angeles County Surf Life Saving Association | 990 | Director | 5 | $0 | $0 | View return |
| 2015 | Grand Lodge Free and Accepted Masons of Wisconsin | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Whittier PTA Seattle Council | 990 | Co-President | 10 | $0 | $0 | View return |
| 2014 | Beckman Endowment Fund | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Whittier PTA Seattle Council | 990EZ | Vice President | 2 | $0 | $0 | View return |
| 2014 | Phelps Community Corporation D/B/A Phelps Healthcare Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Grand Lodge Free and Accepted Masons of Wisconsin | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Pennsylvania Bar Association | 990 | Governor | 5 | $0 | $0 | View return |
| 2014 | Phelps Memorial Hospital Association C/O Northwell Health Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Phelps Community Corporation D/B/A Phelps Healthcare Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Phelps Memorial Hospital Association C/O Northwell Health Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Pennsylvania Bar Association | 990 | Governor | 5 | $0 | $0 | View return |
| 2013 | Beckman Endowment Fund | 990 | Director | 1 | $0 | $0 | View return |