| 2024 | New Auburn Area Fire Depart Inc. | 990 | Ex-Pres/Director | 1 | $118 | $0 | View return |
| 2024 | Denise and Michael Kellen Foundation Inc. | 990PF | President/Treasurer | 0.1 | $0 | $0 | View return |
| 2024 | Anna Maria and Stephen Kellen Foundation Inc. | 990PF | President | 20 | $0 | $0 | View return |
| 2023 | New Auburn Area Fire Depart Inc. | 990 | President/Director | 1 | $235 | $0 | View return |
| 2023 | Denise and Michael Kellen Foundation Inc. | 990PF | President/Treasurer | 0.1 | $0 | $0 | View return |
| 2023 | Cancer Research Institute Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Anna Maria and Stephen Kellen Foundation Inc. | 990PF | President | 20 | $0 | $0 | View return |
| 2022 | New Auburn Area Fire Depart Inc. | 990 | President/Director | 1 | $235 | $0 | View return |
| 2022 | Denise and Michael Kellen Foundation Inc. | 990PF | President/Treasurer | 0.1 | $0 | $0 | View return |
| 2022 | Anna Maria and Stephen Kellen Foundation Inc. | 990PF | President | 20 | $0 | $0 | View return |
| 2022 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | The Rockefeller University | 990 | Trustee (Thru 6/7/23) | 2 | $0 | $0 | View return |
| 2022 | Cancer Research Institute Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | New Auburn Area Fire Depart Inc. | 990 | President/Director | 1 | $275 | $0 | View return |
| 2021 | Ames Construction Charitable Foundation | 990PF | CFO | 1 | $0 | $0 | View return |
| 2021 | Denise and Michael Kellen Foundation Inc. | 990PF | President/Treasurer | 0.1 | $0 | $0 | View return |
| 2021 | Cancer Research Institute Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | The Rockefeller University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Anna Maria and Stephen Kellen Foundation Inc. | 990PF | President | 20 | $0 | $0 | View return |
| 2020 | New Auburn Area Fire Depart Inc. | 990 | President/Director | 1 | $195 | $0 | View return |
| 2020 | Ames Construction Charitable Foundation | 990PF | CFO | 1 | $0 | $0 | View return |
| 2020 | Denise and Michael Kellen Foundation Inc. | 990PF | President/Treasurer | 0.1 | $0 | $0 | View return |
| 2020 | Anna Maria and Stephen Kellen Foundation Inc. | 990PF | President | 20 | $0 | $0 | View return |
| 2020 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | New Auburn Area Fire Depart Inc. | 990 | President/Director | 1 | $235 | $0 | View return |
| 2019 | Ames Construction Charitable Foundation | 990PF | CFO | 1 | $0 | $0 | View return |
| 2019 | Denise and Michael Kellen Foundation Inc. | 990PF | President/Treasurer | 0.1 | $0 | $0 | View return |
| 2019 | Anna Maria and Stephen Kellen Foundation Inc. | 990PF | President | 20 | $0 | $0 | View return |
| 2019 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | The Rockefeller University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Cancer Research Institute Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | New Auburn Area Fire Depart Inc. | 990 | President/Director | 1 | $225 | $0 | View return |
| 2018 | Denise and Michael Kellen Foundation Inc. | 990PF | President/Treasurer | 0.1 | $0 | $0 | View return |
| 2018 | Ames Construction Charitable Foundation | 990PF | Chief Fin Of | 1 | $0 | $0 | View return |
| 2018 | The Rockefeller University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Anna Maria and Stephen Kellen Foundation Inc. | 990PF | President | 20 | $0 | $0 | View return |
| 2018 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Cancer Research Institute Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | New Auburn Area Fire Depart Inc. | 990 | President/Director | 1 | $225 | $0 | View return |
| 2017 | Centennial Foundation | 990PF | Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2017 | Denise and Michael Kellen Foundation Inc. | 990PF | President/Treasurer | 0.1 | $0 | $0 | View return |
| 2017 | Cancer Research Institute Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Anna Maria and Stephen Kellen Foundation Inc. | 990PF | President | 20 | $0 | $0 | View return |
| 2017 | The Rockefeller University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Rockefeller University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | New Auburn Area Fire Depart Inc. | 990 | President/Director | 1 | $120 | $0 | View return |
| 2016 | Centennial Foundation | 990PF | Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2016 | Denise and Michael Kellen Foundation Inc. | 990PF | President/Treasurer | 0.1 | $0 | $0 | View return |
| 2016 | The Rockefeller University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | American Academy in Berlin Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Anna Maria and Stephen Kellen Foundation Inc. | 990PF | President | 20 | $0 | $0 | View return |
| 2015 | New Auburn Area Fire Depart Inc. | 990 | President/Director | 1 | $420 | $0 | View return |
| 2015 | Ames Construction Charitable Foundation | 990PF | Chief Fin Of | 1 | $0 | $0 | View return |
| 2015 | Cancer Research Institute Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Centennial Foundation | 990PF | Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2015 | Anna Maria and Stephen Kellen Foundation Inc. | 990PF | President | 20 | $0 | $0 | View return |
| 2014 | New Auburn Area Fire Depart Inc. | 990 | President/Director | 1 | $199 | $0 | View return |
| 2014 | Cancer Research Institute Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Ames Construction Charitable Foundation | 990PF | Chief Fin Of | 1 | $0 | $0 | View return |
| 2014 | Centennial Foundation | 990PF | Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2014 | Anna Maria and Stephen Kellen Foundation Inc. | 990PF | President | 20 | $0 | $0 | View return |
| 2013 | New Auburn Area Fire Depart Inc. | 990 | Director | 1 | $90 | $0 | View return |
| 2013 | Cancer Research Institute Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | Centennial Foundation | 990PF | Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2012 | Centennial Foundation | 990PF | Treasurer And Secretary | 1 | $0 | $0 | View return |