| 2025 | Springer Electric Cooperative Inc | 990 | Line Superintendent | 41 | $120,287 | $0 | View return |
| 2025 | Pleasant Hill Cemetery Association Incorporated | 990EZ | Co-Superintendent | 1.5 | $0 | $0 | View return |
| 2024 | Springer Electric Cooperative Inc | 990 | Line Superintendent | 41 | $116,363 | $0 | View return |
| 2024 | Philadelphia Area Center for History of Science | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Springer Electric Cooperative Inc | 990 | Line Superintendent | 41 | $110,886 | $0 | View return |
| 2023 | Philadelphia Area Center for History of Science | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Springer Electric Cooperative Inc | 990 | Line Superintendent | 40 | $104,817 | $0 | View return |
| 2022 | Philadelphia Area Center for History of Science | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Philadelphia Area Center for History of Science | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Chemical Heritage Foundation | 990 | Secretary - Former | 20 | $102,783 | $0 | View return |
| 2020 | Science History Institute Support Company | 990 | Secretary - Former | 20 | $0 | $102,783 | View return |
| 2020 | American Chemical Society History of Chemistry DIV U of IL | 990EZ | Past-Chair | 1 | $0 | $0 | View return |
| 2020 | Philadelphia Area Center for History of Science | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Chemical Heritage Foundation | 990 | Secretary - Former | 20 | $132,177 | $0 | View return |
| 2019 | Science History Institute Support Company | 990 | Secretary - Former | 20 | $0 | $132,177 | View return |
| 2019 | American Chemical Society History of Chemistry DIV U of IL | 990EZ | Past-Chair | 1 | $0 | $0 | View return |
| 2019 | Philadelphia Area Center for History of Science | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | American Chemical Society History of Chemistry DIV U of IL | 990EZ | Chair | 1 | $0 | $0 | View return |
| 2018 | Philadelphia Area Center for History of Science | 990 | Corporate Secretary | 1 | $0 | $0 | View return |
| 2017 | American Chemical Society History of Chemistry DIV U of IL | 990EZ | Chair | 1 | $0 | $0 | View return |
| 2017 | Philadelphia Area Center for History of Science | 990 | Corporate Secretary | 1 | $0 | $0 | View return |
| 2016 | Chemical Heritage Foundation | 990 | Secretary | 20 | $125,876 | $0 | View return |
| 2016 | Science History Institute Support Company | 990 | Secretary | 20 | $0 | $125,876 | View return |
| 2016 | American Chemical Society History of Chemistry DIV U of IL | 990EZ | Chair-Elect | 1 | $0 | $0 | View return |
| 2016 | Philadelphia Area Center for History of Science | 990 | Corporate Secretary | 1 | $0 | $0 | View return |
| 2015 | Chemical Heritage Foundation | 990 | Secretary | 20 | $356,969 | $0 | View return |
| 2015 | Science History Institute Support Company | 990 | Secretary | 20 | $0 | $356,969 | View return |
| 2015 | Philadelphia Area Center for History of Science | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Chemical Heritage Foundation | 990 | Secretary | 20 | $120,023 | $0 | View return |
| 2014 | Science History Institute Support Company | 990 | Secretary | 20 | $0 | $120,023 | View return |
| 2014 | American Chemical Society History of Chemistry DIV U of IL | 990EZ | Chair | 1 | $0 | $0 | View return |
| 2014 | Philadelphia Area Center for History of Science | 990 | Chair | 1 | $0 | $0 | View return |
| 2013 | Chemical Heritage Foundation | 990 | Secretary | 20 | $116,307 | $0 | View return |
| 2013 | Science History Institute Support Company | 990 | Secretary | 20 | $0 | $116,307 | View return |
| 2013 | Philadelphia Area Center for History of Science | 990EZ | Director | 1 | $0 | $0 | View return |