| 2025 | Young Mens Christian Association of East Tennessee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2025 | Friends of Great Smoky Mountain National Park Inc. | 990 | Chair | 1 | $0 | $0 | View return |
| 2024 | Knoxville Symphony Society Incorporated | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Young Mens Christian Association of East Tennessee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Friends of Great Smoky Mountain National Park Inc. | 990 | Chair | 1 | $0 | $0 | View return |
| 2024 | Tibbals Foundation | 990PF | VP/Treasurer | 3 | $0 | - | View return |
| 2023 | Young Mens Christian Association of East Tennessee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Friends of Great Smoky Mountain National Park Inc. | 990 | Chair | 1 | $0 | $0 | View return |
| 2023 | Tibbals Foundation | 990PF | VP/Treasurer | 3 | $0 | - | View return |
| 2023 | Knoxville Symphony Society Incorporated | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Friends of Great Smoky Mountain National Park Inc. | 990 | Chair | 1 | $0 | $0 | View return |
| 2022 | Knoxville Symphony Society Incorporated | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Young Mens Christian Association of East Tennessee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Tibbals Foundation | 990PF | VP/Treasurer | 3 | $0 | - | View return |
| 2021 | Young Mens Christian Association of East Tennessee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Friends of Great Smoky Mountain National Park Inc. | 990 | Chair | 1 | $0 | $0 | View return |
| 2021 | Tibbals Foundation | 990PF | VP/Treasurer | 3 | $0 | - | View return |
| 2021 | Knoxville Symphony Society Incorporated | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Young Mens Christian Association of East Tennessee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Friends of Great Smoky Mountain National Park Inc. | 990 | Chair | 1 | $0 | $0 | View return |
| 2020 | Tibbals Foundation | 990PF | Secretary | 3 | $0 | - | View return |
| 2020 | Knoxville Symphony Society Incorporated | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Young Mens Christian Association of East Tennessee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Friends of Great Smoky Mountain National Park Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Knoxville Symphony Society Incorporated | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Tibbals Foundation | 990PF | Secretary | 3 | $0 | - | View return |
| 2018 | Young Mens Christian Association of East Tennessee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Friends of Great Smoky Mountain National Park Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Knoxville Symphony Society Incorporated | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Friends of Great Smoky Mountain National Park Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Young Mens Christian Association of East Tennessee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Knoxville Symphony Society Incorporated | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Knoxville Symphony Society Incorporated | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Young Mens Christian Association of East Tennessee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Friends of Great Smoky Mountain National Park Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Young Mens Christian Association of East Tennessee Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Friends of Great Smoky Mountain National Park Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Knoxville Zoological Gardens Inc. | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2015 | Young Mens Christian Association of East Tennessee Inc. | 990 | Past Chair | 1 | $0 | $0 | View return |
| 2015 | Knoxville Symphony Society Incorporated | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Young Mens Christian Association of East Tennessee Inc. | 990 | Past Chair | 1 | $0 | $0 | View return |
| 2014 | Knoxville Symphony Society Incorporated | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Knoxville Zoological Gardens Inc. | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2014 | Friends of Great Smoky Mountain National Park Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Knoxville Zoological Gardens Inc. | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2013 | Knoxville Symphony Society Incorporated | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Young Mens Christian Association of East Tennessee Inc. | 990 | Chair | 1 | $0 | $0 | View return |
| 2013 | The University of Tennessee Foundat Ion Inc. | 990 | Director | 0.5 | $0 | $0 | View return |