| 2023 | Riverside South Planning Corporation | 990EZ | Chairman/President | 1 | $0 | $0 | View return |
| 2022 | Riverside South Planning Corporation | 990EZ | Chairman/President | 1 | $0 | $0 | View return |
| 2021 | Riverside South Planning Corporation | 990EZ | Chairman/President | 1 | $0 | $0 | View return |
| 2020 | Open Space Institute Inc. | 990 | Board Member (Outgoing) | 1 | $0 | $0 | View return |
| 2020 | Open Space Institute Land Trust Inc. | 990 | Board Member (Outgoing) | 1 | $0 | $0 | View return |
| 2020 | Riverside South Planning Corporation | 990EZ | Chairman/President | 1 | $0 | $0 | View return |
| 2019 | Open Space Institute Land Trust Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Open Space Institute Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Riverside South Planning Corporation | 990EZ | Chairman/President | 1 | $0 | $0 | View return |
| 2018 | Open Space Institute Land Trust Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Open Space Institute Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Friends of the Hudson River Greenway in the Bronx Inc. | 990EZ | President | 0 | $0 | $0 | View return |
| 2017 | Riverside South Planning Corporation | 990EZ | Chairman/President | 1 | $0 | $0 | View return |
| 2017 | Friends of the Hudson River Greenway in the Bronx Inc. | 990EZ | President | 0 | $0 | $0 | View return |
| 2017 | Open Space Institute Land Trust Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Open Space Institute Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Friends of the Hudson River Greenway in the Bronx Inc. | 990EZ | President | 0 | $0 | $0 | View return |
| 2016 | Riverside South Planning Corporation | 990EZ | Chairman/President | 1 | $0 | $0 | View return |
| 2016 | Open Space Institute Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Open Space Institute Land Trust Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Friends of the Hudson River Greenway in the Bronx Inc. | 990EZ | President | 0 | $0 | $0 | View return |
| 2015 | Open Space Institute Land Trust Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2015 | Riverside South Planning Corporation | 990EZ | Chairman/President | 1 | $0 | $0 | View return |
| 2015 | Open Space Institute Inc. | 990 | Board Member | 3 | $0 | $0 | View return |
| 2014 | Open Space Institute Inc. | 990 | Board Member | 3 | $0 | $0 | View return |
| 2014 | Riverside South Planning Corporation | 990EZ | Chairman/President | 1 | $0 | $0 | View return |
| 2014 | Open Space Institute Land Trust Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2014 | The Flea Theater Inc. | 990 | Trustee | 0 | $0 | $0 | View return |
| 2014 | Friends of the Hudson River Greenway in the Bronx Inc. | 990EZ | President | 0 | $0 | $0 | View return |
| 2013 | Friends of the Hudson River Greenway in the Bronx Inc. | 990EZ | President | 0 | $0 | $0 | View return |
| 2013 | Open Space Institute Inc. | 990 | Board Member | 3 | $0 | $0 | View return |
| 2013 | Riverside South Planning Corporation | 990EZ | Chairman/President | 1 | $0 | $0 | View return |
| 2013 | The Flea Theater Inc. | 990 | Trustee | 0 | $0 | $0 | View return |