| 2025 | Canada-France-Hawaii Telescope Corp | 990 | Optical Engineer | 50 | $178,277 | $0 | View return |
| 2024 | Canada-France-Hawaii Telescope Corp | 990 | Optical Engineer | 50 | $168,612 | $0 | View return |
| 2024 | The Empowered Wealth Foundation | 990EZ | Trustee | 0.25 | $0 | $0 | View return |
| 2024 | Younker Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2023 | Canada-France-Hawaii Telescope Corp | 990 | Optical Engineer | 50 | $166,752 | $0 | View return |
| 2023 | The Empowered Wealth Foundation | 990EZ | Trustee | 0.25 | $0 | $0 | View return |
| 2023 | Younker Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | Canada-France-Hawaii Telescope Corp | 990 | Optical Engineer | 50 | $161,540 | $0 | View return |
| 2022 | Younker Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | The Empowered Wealth Foundation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2021 | Canada-France-Hawaii Telescope Corp | 990 | Optical Engineer | 50 | $160,969 | $0 | View return |
| 2021 | The Empowered Wealth Foundation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2021 | Younker Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | Canada-France-Hawaii Telescope Corp | 990 | Optical Engineer | 50 | $197,038 | $0 | View return |
| 2020 | Younker Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | The Empowered Wealth Foundation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2019 | Younker Family Foundation | 990PF | Trustee | 0.1 | $0 | $0 | View return |
| 2018 | Younker Family Foundation | 990PF | Trustee | 0.1 | $0 | $0 | View return |
| 2017 | Younker Family Foundation | 990PF | Trustee | 0.05 | $0 | $0 | View return |
| 2016 | Circle E W Ranch Conservancy Foundation | 990PF | Gen Counsel | 0 | $0 | - | View return |
| 2016 | Younker Family Foundation | 990PF | Trustee | 0.05 | $0 | $0 | View return |
| 2015 | Younker Family Foundation | 990PF | Trustee | 0.05 | $0 | $0 | View return |
| 2014 | Younker Family Foundation | 990PF | Trustee | 0.05 | $0 | $0 | View return |
| 2014 | Circle E W Ranch Conservancy Foundation | 990PF | Gen Counsel | 0 | $0 | - | View return |
| 2013 | Circle E W Ranch Conservancy Foundation | 990PF | Gen Counsel | 0 | $0 | - | View return |
| 2013 | Younker Family Foundation | 990PF | Trustee | 0.05 | $0 | $0 | View return |
| 2012 | Circle E W Ranch Conservancy Foundation | 990PF | Gen Counsel | 0 | $0 | - | View return |
| 2012 | Younker Family Foundation | 990PF | Trustee | 0.05 | $0 | $0 | View return |
| 2011 | Younker Family Foundation | 990PF | Trustee | 0.05 | $0 | $0 | View return |
| 2011 | Circle E W Ranch Conservancy Foundation | 990PF | Gen Counsel | 0 | $0 | - | View return |
| 2011 | Foundation for Powerful Living | 990PF | Trustee | 0.25 | $0 | - | View return |
| 2010 | Circle E W Ranch Conservancy Foundation | 990PF | Gen Counsel | 0 | $0 | - | View return |
| 2010 | Foundation for Powerful Living | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2010 | Younker Family Foundation | 990PF | Trustee | 0.1 | $0 | $0 | View return |