| 2024 | The Ajl Charitable Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2024 | Rail Volution | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The Producers Club of Maryland Inc. | 990 | Chair | 4 | $0 | $0 | View return |
| 2023 | Rail Volution | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The Ajl Charitable Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | Center Stage Associates Inc. | 990 | Vice President | 4 | $0 | $0 | View return |
| 2022 | Funders' Network for Smart Growth and Livable Communities Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Producers Club of Maryland Inc. | 990 | Chair | 2 | $0 | $0 | View return |
| 2022 | Rail Volution | 990 | Vice President | 1 | $0 | $0 | View return |
| 2022 | Center Stage Associates Inc. | 990 | Vice President | 4 | $0 | $0 | View return |
| 2021 | Rail Volution | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2021 | Center for Land Reform Inc. | 990 | Director | - | $0 | $0 | View return |
| 2021 | Funders' Network for Smart Growth and Livable Communities Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Producers Club of Maryland Inc. | 990 | Chair | 4 | $0 | $0 | View return |
| 2021 | Center Stage Associates Inc. | 990 | Vice President | 4 | $0 | $0 | View return |
| 2021 | Smart Growth America | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | The Orton Family Foundation Inc | 990PF | Director | 2 | $1,000 | $0 | View return |
| 2020 | Funders' Network for Smart Growth and Livable Communities Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Center for Land Reform Inc. | 990 | Director | - | $0 | $0 | View return |
| 2020 | Rail Volution | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2020 | The Producers Club of Maryland Inc. | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2020 | Center Stage Associates Inc. | 990 | Vice President | 4 | $0 | $0 | View return |
| 2020 | Smart Growth America | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | The Orton Family Foundation Inc | 990PF | Director | 2 | $5,000 | $0 | View return |
| 2019 | Rail Volution | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Center for Land Reform Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | The Producers Club of Maryland Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Congress for the New Urbanism Inc | 990 | Board Member - Term | 1 | $0 | $0 | View return |
| 2019 | Funders' Network for Smart Growth and Livable Communities Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Center Stage Associates Inc. | 990 | Secretary | 4 | $0 | $0 | View return |
| 2019 | Smart Growth America | 990 | Board Chair | 0.23 | $0 | $0 | View return |
| 2018 | The Orton Family Foundation Inc | 990PF | Director | 2 | $4,000 | $0 | View return |
| 2018 | Congress for the New Urbanism Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Center for Land Reform Inc. | 990 | Director | - | $0 | $0 | View return |
| 2018 | Rail Volution | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Funders' Network for Smart Growth and Livable Communities Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Producers Club of Maryland Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Smart Growth America | 990 | Secretary | 0.23 | $0 | $0 | View return |
| 2018 | Center Stage Associates Inc. | 990 | Secretary | 4 | $0 | $0 | View return |
| 2017 | The Orton Family Foundation Inc | 990PF | Director | 2 | $4,000 | $0 | View return |
| 2017 | Funders' Network for Smart Growth and Livable Communities Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Rail Volution | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Center for Land Reform Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Economic Alliance of Greater Baltimore Foundation Inc | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2017 | Economic Alliance of Greater Baltimore Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Smart Growth America | 990 | Board Chair | 0.5 | $0 | $0 | View return |
| 2017 | Center Stage Associates Inc. | 990 | Secretary | 4 | $0 | $0 | View return |
| 2016 | The Orton Family Foundation Inc | 990PF | Director | 2 | $4,000 | $0 | View return |
| 2016 | Rail Volution | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Economic Alliance of Greater Baltimore Foundation Inc | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2016 | Center for Land Reform Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Funders' Network for Smart Growth and Livable Communities Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Economic Alliance of Greater Baltimore Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Center Stage Associates Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Smart Growth America | 990 | Chair | 1 | $0 | $0 | View return |
| 2015 | The Orton Family Foundation Inc | 990PF | Director | 2 | $5,000 | $0 | View return |
| 2015 | Funders' Network for Smart Growth and Livable Communities Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Rail Volution | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Center for Land Reform Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Center Stage Associates Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Chesapeake Bay Trust | 990 | Trustee | 5 | $0 | $0 | View return |
| 2015 | Smart Growth America | 990 | Chair | 1 | $0 | $0 | View return |
| 2014 | Center for Land Reform Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Funders' Network for Smart Growth and Livable Communities Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Chesapeake Bay Trust | 990 | Trustee | 5 | $0 | $0 | View return |
| 2014 | Smart Growth America | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2014 | Center Stage Associates Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Funders' Network for Smart Growth and Livable Communities Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Center for Land Reform Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | The Chesapeake Bay Trust | 990 | Trustee | 5 | $0 | $0 | View return |
| 2013 | Center Stage Associates Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Smart Growth America | 990 | Board Vice Chair | 1 | $0 | $0 | View return |