| 2024 | Herman Knapp Testamonial Fund | 990 | Trustee Through 5/2024 | 1 | $0 | $0 | View return |
| 2024 | Minnesota Academy of Ophthalmology | 990 | Immediate Past President | 1 | $0 | $0 | View return |
| 2024 | Foundation of the Minnesota Academy of Ophthalmology | 990EZ | Past Chairman | 0.25 | $0 | $0 | View return |
| 2023 | American Ophthalmological Society | 990 | President Start 5/2023 | 1 | $0 | $0 | View return |
| 2023 | American Ophthalmological Society Charitable Educ and Scientific Fund | 990 | Director Start 5/2023 | 1 | $0 | $0 | View return |
| 2023 | Herman Knapp Testamonial Fund | 990 | Trustee Start 5/2023 | 1 | $0 | $0 | View return |
| 2023 | Vitreoretinal Surgery Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Minnesota Academy of Ophthalmology | 990 | President | 1 | $0 | $0 | View return |
| 2023 | Foundation of the Minnesota Academy of Ophthalmology | 990EZ | Chair | 0.25 | $0 | $0 | View return |
| 2022 | Vitreoretinal Surgery Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Foundation of the Minnesota Academy of Ophthalmology | 990EZ | Vice Chairman | 0.25 | $0 | $0 | View return |
| 2022 | Minnesota Academy of Ophthalmology | 990 | President - Elect | 1 | $0 | $0 | View return |
| 2021 | Vitreoretinal Surgery Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Minnesota Academy of Ophthalmology | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2021 | Foundation of the Minnesota Academy of Ophthalmology | 990EZ | Chief Financial Officer | 0.25 | $0 | $0 | View return |
| 2020 | Vitreoretinal Surgery Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | American Ophthalmological Society Charitable Educ and Scientific Fund | 990 | President Through 5/2020 | 1 | $0 | $0 | View return |
| 2020 | American Ophthalmological Society | 990 | Council Chair Through 5/2020 | 1 | $0 | $0 | View return |
| 2020 | Minnesota Academy of Ophthalmology | 990 | Secretary | 1 | $0 | $0 | View return |
| 2020 | Herman Knapp Testamonial Fund | 990 | Chair Through 5/2020 | 1 | $0 | $0 | View return |
| 2019 | American Ophthalmological Society Charitable Educ and Scientific Fund | 990 | President Effective 5/2019 | 1 | $0 | $44,000 | View return |
| 2019 | Herman Knapp Testamonial Fund | 990 | Chair Effective 5/2019 | 1 | $0 | $0 | View return |
| 2019 | American Ophthalmological Society | 990 | Council Chair Effective 5/2019 | 1 | $0 | $0 | View return |
| 2019 | Foundation of the Minnesota Academy of Ophthalmology | 990EZ | Board Member | 0.5 | $0 | $0 | View return |
| 2019 | Minnesota Academy of Ophthalmology | 990 | Secretary | 1 | $0 | $0 | View return |
| 2018 | American Ophthalmological Society | 990 | Council Member | 1 | $0 | $0 | View return |
| 2017 | Emory Group Return | 990 | Form Bd Mem (Tec,Emcf) | 15 | $57,797 | $132,640 | View return |
| 2017 | American Ophthalmological Society | 990 | Council Member | 1 | $0 | $0 | View return |
| 2016 | Emory Group Return | 990 | Form Bd Mem (Tec,Emcf) | 25 | $222,320 | $462,311 | View return |
| 2016 | Emory Group Return | 990 | Form Bd Mem (Tec,Emcf) | 25 | $222,320 | $462,311 | View return |
| 2016 | American Ophthalmological Society Charitable Educ and Scientific Fund | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | American Ophthalmological Society | 990 | Council Member | 1 | $0 | $0 | View return |
| 2016 | Herman Knapp Testamonial Fund | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Emory Group Return | 990 | Board Member (Tec) | 25 | $254,748 | $457,641 | View return |
| 2015 | American Ophthalmological Society Charitable Educ and Scientific Fund | 990 | Council Member 2015-2016 | 1 | $0 | $0 | View return |
| 2015 | American Ophthalmological Society | 990 | Council Member 2015-2016 | 1 | $0 | $0 | View return |
| 2015 | Herman Knapp Testamonial Fund | 990 | Council Member 2015-2016 | 1 | $0 | $0 | View return |
| 2014 | Emory Group Return | 990 | Bd Mem (Emcf, Tec) | 26 | $312,826 | $448,835 | View return |
| 2013 | Emory Group Return | 990 | Board Member (Emcf, Tec) | 26 | $302,698 | $438,642 | View return |