| 2024 | Interfaith Community Health Center | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Boston Ballet Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | Kent Island High School Athletic Boosters Inc. | 990EZ | Secretary | 5 | $0 | $0 | View return |
| 2023 | Northern California Branch of the International Dyslexia Association | 990EZ | Director | 0 | $0 | - | View return |
| 2023 | Interfaith Community Health Center | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Kent Island High School Athletic Boosters Inc. | 990EZ | Secretary | 5 | $0 | $0 | View return |
| 2023 | Boston Ballet Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Philadelphia Academy Charter School C/O Santilli and Thomson LLC | 990 | Vice President | 1 | $0 | $0 | View return |
| 2022 | Boston Ballet Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Kent Island High School Athletic Boosters Inc. | 990EZ | Secretary | 5 | $0 | $0 | View return |
| 2022 | Philadelphia Academy Charter School C/O Santilli and Thomson LLC | 990 | Vice President | 1 | $0 | $0 | View return |
| 2021 | Blythewood High School Band Boosters | 990EZ | Secretary | 8 | $0 | $0 | View return |
| 2021 | Boston Ballet Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Philadelphia Academy Charter School C/O Santilli and Thomson LLC | 990 | Vice President | 1 | $0 | $0 | View return |
| 2021 | Kent Island High School Athletic Boosters Inc. | 990EZ | Secretary | 5 | $0 | $0 | View return |
| 2020 | Blythewood High School Band Boosters | 990EZ | Secretary | 8 | $0 | $0 | View return |
| 2020 | Boston Ballet Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Blythewood High School Band Boosters | 990EZ | Secretary | 8 | $0 | $0 | View return |
| 2020 | Philadelphia Academy Charter School C/O Santilli and Thomson LLC | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Boston Ballet Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Philadelphia Academy Charter School C/O Santilli and Thomson LLC | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Philadelphia Academy Charter School C/O Santilli and Thomson LLC | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Art Institute and Gallery of Salisbury Inc. | 990EZ | Director | 2 | $0 | $0 | View return |
| 2017 | Philadelphia Academy Charter School C/O Santilli and Thomson LLC | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Housing Works Food Services Corp | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Housing Works Used Book Cafe Inc. | 990 | Board Member (Thru 03/18) | 1 | $0 | $0 | View return |
| 2016 | PTA Alabama Congress Madison School PTA | 990EZ | Treasurer | 20 | $0 | $0 | View return |
| 2016 | Housing Works Used Book Cafe Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Housing Works Food Services Corp | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Tullahoma Soccer Association | 990EZ | Risk Mgmt | 0 | $0 | - | View return |
| 2015 | Housing Works Food Services Corp | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Housing Works Used Book Cafe Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Anne Arundel Community College Foundation Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Housing Works Used Book Cafe Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Maryland Free Enterprise Foundation Inc Fka MD Business for Responsive Gov'T | 990 | President Through 1/6/14 | 1 | $16,675 | $0 | View return |
| 2013 | Tullahoma Soccer Association | 990EZ | Risk Mgmt | 0 | $0 | - | View return |
| 2013 | Housing Works Used Book Cafe Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2011 | The Thern Foundation Inc Co Constance Thern | 990PF | Director | 0 | $0 | $0 | View return |