| 2024 | American Federation of Teachers 504 | 990 | Secretary | 4 | $28,000 | $0 | View return |
| 2023 | American Federation of Teachers 504 | 990 | Secretary | 4 | $26,500 | $0 | View return |
| 2023 | The Michael Phelps Foundation | 990 | Secretary | 3 | $0 | $0 | View return |
| 2023 | Junior Achievement of Central Maryland Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | The Association for Institutional Research | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Education Foundation of Baltimore County Public | 990 | Executive Director | 40 | $0 | $0 | View return |
| 2022 | American Federation of Teachers 504 | 990 | Secretary | 4 | $22,500 | $0 | View return |
| 2022 | Chimes Virginia Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Junior Achievement of Central Maryland Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | The Michael Phelps Foundation | 990 | Secretary | 3 | $0 | $0 | View return |
| 2022 | Towson Chamber of Commerce Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Education Foundation of Baltimore County Public | 990 | Executive Director | 40 | $0 | $0 | View return |
| 2021 | American Federation of Teachers 504 | 990 | Secretary | 6 | $3,917 | $0 | View return |
| 2021 | Chimes Virginia Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Michael Phelps Foundation | 990 | Secretary | 3 | $0 | $0 | View return |
| 2021 | Junior Achievement of Central Maryland Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Chimes Metro Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | The Chimes Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Chimes International Limited | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Holcomb Associates Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Education Foundation of Baltimore County Public | 990 | Executive Director | 40 | $0 | $0 | View return |
| 2020 | American Federation of Teachers 504 | 990 | Secretary | 6 | $2,842 | $0 | View return |
| 2020 | Accreditation Commission for Homeopathic Education in North America | 990EZ | Commissioner | 1 | $0 | $0 | View return |
| 2020 | The Michael Phelps Foundation | 990 | Secretary | 3 | $0 | $0 | View return |
| 2020 | Junior Achievement of Central Maryland Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Chimes International Limited | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Chimes Metro Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Chimes Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Holcomb Associates Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | American Federation of Teachers 504 | 990 | Trustee | 0.5 | $2,654 | $0 | View return |
| 2019 | Accreditation Commission for Homeopathic Education in North America | 990 | Commissioner | 1 | $0 | $0 | View return |
| 2019 | Junior Achievement of Central Maryland Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | The Michael Phelps Foundation | 990 | Secretary | 3 | $0 | $0 | View return |
| 2019 | Education Foundation of Baltimore County Public | 990 | Executive Director | 40 | $0 | $0 | View return |
| 2019 | Chimes International Limited | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | American Federation of Teachers 504 | 990 | Trustee | 0.5 | $2,594 | $0 | View return |
| 2018 | The Michael Phelps Foundation | 990 | Secretary | 3 | $0 | $0 | View return |
| 2018 | Junior Achievement of Central Maryland Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | The Michael Phelps Foundation | 990 | Secretary | 3 | $0 | $0 | View return |
| 2017 | Junior Achievement of Central Maryland Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Notre Dame of Maryland University Inc | 990 | Trustee | 5 | $0 | $0 | View return |
| 2016 | American Federation of Teachers 504 | 990 | Trustee | 0.5 | $1,871 | $0 | View return |
| 2016 | The Michael Phelps Foundation | 990 | Secretary | 3 | $0 | $0 | View return |
| 2016 | Junior Achievement of Central Maryland Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Notre Dame of Maryland University Inc | 990 | Trustee | 5 | $0 | $0 | View return |
| 2015 | American Federation of Teachers 504 | 990 | Trustee | 0.5 | $2,384 | $0 | View return |
| 2015 | Broome County Sheriff'S Law Enforcement Officers Association | 990 | President | 0 | $0 | $0 | View return |
| 2015 | Junior Achievement of Central Maryland Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | The Michael Phelps Foundation | 990 | Secretary | 2 | $0 | $0 | View return |
| 2015 | Notre Dame of Maryland University Inc | 990 | Trustee | 5 | $0 | $0 | View return |
| 2014 | American Federation of Teachers 504 | 990 | Trustee | 0.5 | $1,789 | $0 | View return |
| 2014 | The Michael Phelps Foundation | 990 | Secretary | 2 | $0 | $0 | View return |
| 2014 | Junior Achievement of Central Maryland Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Broome County Sheriff'S Law Enforcement Officers Association | 990 | President | 0 | $0 | $0 | View return |
| 2014 | Notre Dame of Maryland University Inc | 990 | Trustee | 5 | $0 | $0 | View return |
| 2013 | American Federation of Teachers 504 | 990 | Trustee | 0.5 | $1,737 | $0 | View return |
| 2013 | The Michael Phelps Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2013 | Junior Achievement of Central Maryland Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Broome County Sheriff'S Law Enforcement Officers Association | 990 | President | 0 | $0 | $0 | View return |
| 2013 | Notre Dame of Maryland University Inc | 990 | Trustee | 5 | $0 | $0 | View return |