| 2024 | Friends of Fontana Park Inc. | 990EZ | Secretary | 0.5 | $0 | - | View return |
| 2024 | Labor Temple Cooperative Assn for Neenah & Menasha | 990EZ | Fin Secr | 5 | $0 | - | View return |
| 2024 | Kim Maas Ministries Inc. | 990EZ | Vice Preside | 5 | $0 | - | View return |
| 2023 | Labor Temple Cooperative Assn for Neenah & Menasha | 990EZ | Fin Secr | 5 | $0 | - | View return |
| 2023 | Friends of Fontana Park Inc. | 990EZ | Secretary | 0.5 | $0 | - | View return |
| 2023 | Kim Maas Ministries Inc. | 990EZ | Vice Preside | 40 | $0 | - | View return |
| 2023 | Phoenix Chamber Music Society Endowment | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Labor Temple Cooperative Assn for Neenah & Menasha | 990EZ | Fin Secr | 5 | $0 | - | View return |
| 2022 | Friends of Fontana Park Inc. | 990EZ | Secretary | 0.5 | $0 | - | View return |
| 2022 | Kim Maas Ministries Inc. | 990EZ | Vice Preside | 0 | $0 | - | View return |
| 2022 | Phoenix Chamber Music Society | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Phoenix Chamber Music Society Endowment | 990 | Executive Director | 1 | $0 | $0 | View return |
| 2021 | Labor Temple Cooperative Assn for Neenah & Menasha | 990EZ | Fin Secr | 5 | $0 | - | View return |
| 2021 | Kim Maas Ministries Inc. | 990EZ | Vice Preside | 0 | $0 | - | View return |
| 2021 | Friends of Fontana Park Inc. | 990EZ | Secretary | 0 | $0 | - | View return |
| 2021 | Phoenix Chamber Music Society Endowment | 990 | Executive Director | 1 | $0 | $0 | View return |
| 2021 | Phoenix Chamber Music Society | 990 | President | 1 | $0 | $0 | View return |
| 2020 | Labor Temple Cooperative Assn for Neenah & Menasha | 990EZ | Fin Secr | 5 | $0 | - | View return |
| 2020 | Phoenix Chamber Music Society | 990 | President | 1 | $0 | $0 | View return |
| 2020 | Phoenix Chamber Music Society Endowment | 990 | Executive Director | 1 | $0 | $0 | View return |
| 2019 | Beverly Hills Charitable Foundation C/O Richard L Kaplan United Retirement | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2019 | Labor Temple Cooperative Assn for Neenah & Menasha | 990EZ | Fin Secr | 5 | $0 | - | View return |
| 2019 | Maas Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2019 | Phoenix Chamber Music Society Endowment | 990 | Executive Director | 1 | $0 | $0 | View return |
| 2019 | Phoenix Chamber Music Society | 990 | President | 1 | $0 | $0 | View return |
| 2018 | Labor Temple Cooperative Assn for Neenah & Menasha | 990EZ | Fin Secr | 5 | $0 | - | View return |
| 2018 | Phoenix Chamber Music Society | 990 | Vice Presidentacting Preside | 1 | $0 | $0 | View return |
| 2018 | Phoenix Chamber Music Society Endowment | 990 | Executive Director | 1 | $0 | $0 | View return |
| 2017 | Labor Temple Cooperative Assn for Neenah & Menasha | 990EZ | Fin Secr | 5 | $0 | - | View return |
| 2017 | Izaak Walton League of America Inc Linn County | 990 | Board Member | 6 | $0 | $0 | View return |
| 2017 | Beverly Hills Charitable Foundation C/O Richard L Kaplan United Retirement | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2017 | Phoenix Chamber Music Society Endowment | 990 | Executive Director | 1 | $0 | $0 | View return |
| 2017 | Phoenix Chamber Music Society | 990 | Vice President | 1 | $0 | $0 | View return |
| 2016 | Beverly Hills Charitable Foundation C/O Richard L Kaplan United Retirement | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2016 | Izaak Walton League of America Inc Linn County | 990 | Board Member | 6 | $0 | $0 | View return |
| 2016 | Labor Temple Cooperative Assn for Neenah & Menasha | 990EZ | Fin Secr | 5 | $0 | - | View return |
| 2016 | Phoenix Chamber Music Society | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2016 | Phoenix Chamber Music Society Endowment | 990 | Executive Director | 1 | $0 | $0 | View return |
| 2015 | Beverly Hills Charitable Foundation C/O Richard L Kaplan United Retirement | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2015 | Labor Temple Cooperative Assn for Neenah & Menasha | 990EZ | Fin Secr | 5 | $0 | - | View return |
| 2015 | Young Presidents' Organization Inc Orange County Chapter | 990 | Wpo Liason | 0 | $0 | $0 | View return |
| 2015 | Phoenix Chamber Music Society Endowment | 990 | Executive Director | 1 | $0 | $0 | View return |
| 2015 | Phoenix Chamber Music Society | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Beverly Hills Charitable Foundation C/O Richard L Kaplan United Retirement | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2014 | Labor Temple Cooperative Assn for Neenah & Menasha | 990EZ | Fin Secr | 5 | $0 | - | View return |
| 2014 | Intercollegiate Center for Classical Studies | 990 | Chair | 15 | $0 | $0 | View return |
| 2013 | Labor Temple Cooperative Assn for Neenah & Menasha | 990EZ | Fin Secr | 5 | $0 | - | View return |
| 2013 | Intercollegiate Center for Classical Studies | 990 | Managing Director | 15 | $0 | $0 | View return |