| 2024 | Robert E and Polly a Zimmerman | 990PF | Pres/Sec./Director | 0.1 | $0 | $0 | View return |
| 2023 | Duncaster Incorporated | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Robert E and Polly a Zimmerman | 990PF | V-Pres./Sec./Director | 0.1 | $0 | $0 | View return |
| 2023 | Sutton Place Parks Conservancy Inc. | 990 | Secretary | 15 | $0 | $0 | View return |
| 2023 | The Neighborhood Center | 990EZ | Board Member | 2 | $0 | $0 | View return |
| 2023 | Mass Soc of Professors | 990 | Secretary | 10 | $0 | $0 | View return |
| 2023 | Heartlight Ministries | 990 | Director | 0 | $0 | $0 | View return |
| 2022 | Sutton Place Parks Conservancy Inc. | 990EZ | Secretary | 15 | $0 | $0 | View return |
| 2022 | Duncaster Incorporated | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Robert E and Polly a Zimmerman | 990PF | V-Pres./Sec./Director | 0.1 | $0 | $0 | View return |
| 2022 | The Neighborhood Center | 990EZ | Board Member | 2 | $0 | $0 | View return |
| 2022 | Heartlight Ministries | 990 | Director | 0 | $0 | $0 | View return |
| 2022 | Mass Soc of Professors | 990EZ | Secretary | 10 | $0 | $0 | View return |
| 2021 | Robert E and Polly a Zimmerman | 990PF | V-Pres./Sec./Director | 0.1 | $0 | $0 | View return |
| 2021 | Sutton Place Parks Conservancy Inc. | 990EZ | Secretary | 2 | $0 | $0 | View return |
| 2021 | The Neighborhood Center | 990EZ | Board Member | 2 | $0 | $0 | View return |
| 2021 | Mass Soc of Professors | 990EZ | Secretary | 10 | $0 | $0 | View return |
| 2021 | Heartlight Ministries | 990 | Director | 0 | $0 | $0 | View return |
| 2020 | Srs Retirees Association | 990EZ | Board Member | 0.5 | $0 | - | View return |
| 2020 | Sutton Place Parks Conservancy Inc. | 990EZ | Secretary | 2 | $0 | $0 | View return |
| 2020 | Robert E and Polly a Zimmerman | 990PF | Pres./Sec./Director | 0.1 | $0 | $0 | View return |
| 2020 | Mass Soc of Professors | 990EZ | Secretary | 10 | $0 | $0 | View return |
| 2019 | Sutton Place Parks Conservancy Inc. | 990EZ | Secretary | 0 | $0 | $0 | View return |
| 2019 | Srs Retirees Association | 990EZ | Board Member | 1 | $0 | - | View return |
| 2019 | Robert E and Polly a Zimmerman | 990PF | V-Pres./Sec./Director | 0.1 | $0 | $0 | View return |
| 2019 | Mass Soc of Professors | 990EZ | Secretary | 10 | $0 | $0 | View return |
| 2018 | Robert E and Polly a Zimmerman | 990PF | V-Pres./Sec./Director | 0.1 | $0 | $0 | View return |
| 2018 | Mass Soc of Professors | 990EZ | Secretary | 10 | $0 | $0 | View return |
| 2017 | Robert E and Polly a Zimmerman | 990PF | V-Pres./Sec./Director | 0.1 | $0 | $0 | View return |
| 2017 | Srs Heritage Foundation Inc. | 990EZ | Board Member | 1 | $0 | - | View return |
| 2017 | Rhode Island and Providence Roller Derby | 990EZ | Secretary/Director | 9 | $0 | - | View return |
| 2017 | Mass Soc of Professors | 990EZ | Secretary | 10 | $0 | $0 | View return |
| 2016 | Northeastern Educational Research Association Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2016 | Robert E and Polly a Zimmerman | 990PF | Pres./Sec./Director | 0.1 | $0 | $0 | View return |
| 2016 | Ithaca Swimming Club Inc | 990EZ | Website Manager | 1 | $0 | $0 | View return |
| 2016 | Srs Heritage Foundation Inc. | 990EZ | Board Member | 1 | $0 | - | View return |
| 2016 | Mass Soc of Professors | 990EZ | Secretary | 10 | $0 | $0 | View return |
| 2015 | Robert E and Polly a Zimmerman | 990PF | V-Pres./Sec./Director | 0.1 | $0 | $0 | View return |
| 2015 | Srs Heritage Foundation Inc. | 990EZ | Board Member | 1 | $0 | - | View return |
| 2015 | Mass Soc of Professors | 990EZ | Secretary | 10 | $0 | $0 | View return |
| 2014 | St. Paul Retired Teachers Incorporated | 990EZ | Vice President For Programs | 1 | $0 | $0 | View return |
| 2014 | Srs Heritage Foundation Inc. | 990EZ | Board Member | 1 | $0 | - | View return |
| 2014 | Robert E and Polly a Zimmerman | 990PF | V. Pres/Sec./Director | 0.1 | $0 | $0 | View return |
| 2014 | Mass Soc of Professors | 990EZ | Secretary | 10 | $0 | $0 | View return |
| 2013 | Robert E and Polly a Zimmerman | 990PF | V. Pres/Sec./Director | 0 | $0 | $0 | View return |
| 2013 | Mass Soc of Professors | 990EZ | Secretary | 10 | $0 | $0 | View return |
| 2013 | Emergency Medical Services of Northeastern Pennsylvania Inc. | 990 | Secretary | 0 | $0 | $0 | View return |
| 2012 | Robert E and Polly a Zimmerman | 990PF | Pres./Sec./Director | 0 | $0 | $0 | View return |
| 2011 | Robert E and Polly a Zimmerman | 990PF | V.P./Sec./Director | 0 | $0 | $0 | View return |
| 2010 | Robert E and Polly a Zimmerman | 990PF | V.P./Sec./Director | 0 | $0 | $0 | View return |