| 2024 | Impact 100 of the Greater Chesapeake Inc. | 990EZ | Director | 2 | $0 | - | View return |
| 2024 | Northcoast Regional Land Trust | 990 | 1st Vice President | 1 | $0 | $0 | View return |
| 2024 | Maryland Federation of Art Inc. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2023 | Milwaukee Environmental Consortium Inc | 990 | Executive Director | 40 | $30,291 | $0 | View return |
| 2023 | Impact 100 of the Greater Chesapeake Inc. | 990EZ | Chairman | 1 | $0 | - | View return |
| 2023 | Northcoast Regional Land Trust | 990 | 1st Vice President | 1 | $0 | $0 | View return |
| 2023 | Maryland Federation of Art Inc. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2022 | Milwaukee Environmental Consortium Inc | 990 | Executive Director | 40 | $29,069 | $0 | View return |
| 2022 | Impact 100 of the Greater Chesapeake Inc. | 990EZ | Trustee | 1 | $0 | - | View return |
| 2022 | Northcoast Regional Land Trust | 990 | 1st Vice President | 1 | $0 | $0 | View return |
| 2022 | Warrenton Antiquarian Society | 990 | Executive Co | 4 | $0 | $0 | View return |
| 2022 | Maryland Federation of Art Inc. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2021 | International Baccalaureate Organization | 990 | Head Of Iben & School Delivery | 40 | $190,491 | $0 | View return |
| 2021 | Milwaukee Environmental Consortium Inc | 990 | Executive Director | 40 | $29,255 | $0 | View return |
| 2021 | Northcoast Regional Land Trust | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Maryland Federation of Art Inc. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2021 | Warrenton Antiquarian Society | 990 | Executive Co | 4 | $0 | $0 | View return |
| 2021 | Food for People Inc Anne Holcomb | 990 | President | 4 | $0 | $0 | View return |
| 2020 | Craftsmen'S Guild of Mississippi Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Maryland Federation of Art Inc. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2020 | Food for People Inc Anne Holcomb | 990 | Vice-President | 4 | $0 | $0 | View return |
| 2019 | Craftsmen'S Guild of Mississippi Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Maryland Federation of Art Inc. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2019 | Food for People Inc Anne Holcomb | 990 | President | 4 | $0 | $0 | View return |
| 2018 | Craftsmen'S Guild of Mississippi Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Maryland Federation of Art Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | Food for People Inc Anne Holcomb | 990 | Vice-President | 4 | $0 | $0 | View return |
| 2017 | Humboldt Botanical Gardens Foundation | 990 | Secretary | 3 | $0 | $0 | View return |
| 2017 | Craftsmen'S Guild of Mississippi Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Food for People Inc Anne Holcomb | 990 | Vice-President | 4 | $0 | $0 | View return |
| 2017 | Maine School Food Service Assn | 990EZ | Director | 0.44 | $0 | - | View return |
| 2016 | Humboldt Botanical Gardens Foundation | 990 | Director | 5 | $0 | $0 | View return |
| 2016 | Maine School Food Service Assn | 990EZ | Director | 0.25 | $0 | - | View return |
| 2016 | Food for People Inc Anne Holcomb | 990 | Vice-President | 4 | $0 | $0 | View return |
| 2015 | Northcoast Regional Land Trust | 990 | 2nd Vice President | 1 | $0 | $0 | View return |
| 2015 | Humboldt Botanical Gardens Foundation | 990 | Director | 5 | $0 | $0 | View return |
| 2015 | Food for People Inc Anne Holcomb | 990 | Board Member | 4 | $0 | $0 | View return |
| 2014 | Humboldt Botanical Gardens Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2014 | Northcoast Regional Land Trust | 990 | Board President | 10 | $0 | $0 | View return |
| 2014 | Food for People Inc Anne Holcomb | 990 | Board Member | 4 | $0 | $0 | View return |
| 2014 | Maine School Food Service Assn | 990EZ | President | 20 | $0 | - | View return |
| 2013 | Northcoast Regional Land Trust | 990 | Board President | 10 | $2,269 | $0 | View return |
| 2013 | The Rape Crisis Center Serving Horry and Georgetown Counties Inc | 990 | Vice-President | 2 | $0 | $0 | View return |
| 2013 | Maine School Food Service Assn | 990EZ | Treasurer | 13 | $0 | - | View return |
| 2013 | Food for People Inc Anne Holcomb | 990 | Board Member | 4 | $0 | $0 | View return |