| 2024 | Best Cure Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2024 | Krishnan Suthanthiran Foundation Inc. | 990PF | President | 0.5 | $0 | $0 | View return |
| 2023 | Krishnan Suthanthiran Foundation Inc. | 990PF | President | 0.5 | $0 | $0 | View return |
| 2023 | Best Cure Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2023 | Brachytherapy Research and Educational Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | Krishnan Suthanthiran Foundation Inc. | 990PF | President | 0.5 | $0 | $0 | View return |
| 2022 | Best Cure Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2022 | Brachytherapy Research and Educational Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2021 | Krishnan Suthanthiran Foundation Inc. | 990PF | President | 0.5 | $0 | $0 | View return |
| 2021 | Best Cure Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2021 | Brachytherapy Research and Educational Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2020 | Krishnan Suthanthiran Foundation Inc. | 990PF | President | 0.5 | $0 | $0 | View return |
| 2020 | Best Cure Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2019 | Krishnan Suthanthiran Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2019 | Best Cure Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2019 | Brachytherapy Research and Educational Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2018 | Best Cure Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2018 | Brachytherapy Research and Educational Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2018 | Krishnan Suthanthiran Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2017 | Best Cure Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2017 | Brachytherapy Research and Educational Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2017 | Krishnan Suthanthiran Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2016 | Krishnan Suthanthiran Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2016 | Best Cure Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2016 | Brachytherapy Research and Educational Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2015 | Best Cure Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2015 | Krishnan Suthanthiran Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2015 | Brachytherapy Research and Educational Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2014 | Best Cure Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2014 | Krishnan Suthanthiran Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2014 | Brachytherapy Research and Educational Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2013 | Krishnan Suthanthiran Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2013 | Best Cure Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2013 | Brachytherapy Research and Educational Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2012 | Krishnan Suthanthiran Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2012 | Brachytherapy Research and Educational Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2011 | Krishnan Suthanthiran Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2011 | Brachytherapy Research and Educational Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |