| 2024 | The Townscape Institute Inc | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2024 | The North Shore Land Alliance Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | The Planning Office of Urban Affairs Foundation Inc | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2023 | The North Shore Land Alliance Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | The Planning Office of Urban Affairs Foundation Inc | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2022 | The North Shore Land Alliance Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | The Planning Office of Urban Affairs Foundation Inc | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2022 | The Townscape Institute Inc | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2022 | The North Shore Land Alliance Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | The North Shore Land Alliance Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | The Planning Office of Urban Affairs Foundation Inc | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2021 | The Townscape Institute Inc | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2020 | The North Shore Land Alliance Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | The Townscape Institute Inc | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2019 | The Townscape Institute Inc | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2018 | The Townscape Institute Inc | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2017 | Emerald Society Department of Sanitation of City of New York Inc | 990EZ | Director | 1 | $0 | - | View return |
| 2017 | The Townscape Institute Inc | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2016 | Emerald Society Department of Sanitation of City of New York Inc | 990EZ | Director | 1 | $0 | - | View return |
| 2016 | Cold Spring Harbor Laboratory | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Townscape Institute Inc | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2015 | Emerald Society Department of Sanitation of City of New York Inc | 990EZ | Director | 1 | $0 | - | View return |
| 2015 | Cold Spring Harbor Laboratory | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Emerald Society Department of Sanitation of City of New York Inc | 990EZ | Asst. Secret | 1 | $0 | - | View return |
| 2014 | The Fred M Kemp Foundation | 990PF | Secretary/Director | 1 | $0 | $0 | View return |
| 2014 | Planning Office for Urban Affairs Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Cold Spring Harbor Laboratory | 990 | Trustee (From 11/2014) | 1 | $0 | $0 | View return |
| 2014 | The Fred M Kemp Foundation | 990PF | Secretary/Director | 1 | $0 | $0 | View return |
| 2013 | Boston History Center and Museum Inc | 990EZ | President/CEO/Director | 0.05 | $0 | $0 | View return |
| 2013 | Emerald Society Department of Sanitation of City of New York Inc | 990EZ | Asst. Secretary | 1 | $0 | - | View return |
| 2013 | Merton College Charitable Corporation | 990 | Voting Director | 0 | $0 | $0 | View return |
| 2013 | Planning Office for Urban Affairs Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | The Fred M Kemp Foundation | 990PF | Secretary/Director | 1 | $0 | $0 | View return |
| 2012 | The Fred M Kemp Foundation | 990PF | Secretary/Director | 1 | $0 | $0 | View return |
| 2011 | The Fred M Kemp Foundation | 990PF | Secretary/Director | 1 | $0 | $0 | View return |
| 2010 | The Fred M Kemp Foundation | 990PF | Secretary/Director | 1 | $0 | $0 | View return |