| 2025 | William R Grigsby Foundation Co Zakowski & Kannoth Cpas LLP | 990PF | Director | 0 | $0 | - | View return |
| 2025 | Osage Valley Electric Community Trust | 990EZ | Trustee | 0.5 | $0 | $0 | View return |
| 2025 | Paula M Grigsby Foundation Co Zakowski & Kannoth Cpas LLP | 990PF | Director | 0 | $0 | - | View return |
| 2024 | William R Grigsby Foundation Co Zakowski & Kannoth Cpas LLP | 990PF | Director | 0 | $0 | - | View return |
| 2024 | Osage Valley Electric Community Trust | 990EZ | Trustee | 0.5 | $0 | $0 | View return |
| 2024 | Frank Lloyd Wright Building Conservancy | 990 | Director | 5 | $0 | $0 | View return |
| 2024 | Paula M Grigsby Foundation Co Zakowski & Kannoth Cpas LLP | 990PF | Director | 0 | $0 | - | View return |
| 2024 | Las Damas | 990EZ | Vice President | 0 | $0 | - | View return |
| 2023 | William R Grigsby Foundation Co Zakowski & Kannoth Cpas LLP | 990PF | Director | 0 | $0 | - | View return |
| 2023 | Central Coast State Veterans Cemetary Non Profit Corporation | 990 | Director | 3 | $0 | $0 | View return |
| 2023 | Frank Lloyd Wright Building Conservancy | 990 | Director | 5 | $0 | $0 | View return |
| 2023 | Paula M Grigsby Foundation Co Zakowski & Kannoth Cpas LLP | 990PF | Director | 0 | $0 | - | View return |
| 2022 | Central Coast State Veterans Cemetary Non Profit Corporation | 990 | Director | 3 | $0 | $0 | View return |
| 2022 | William R Grigsby Foundation Co Zakowski & Kannoth Cpas LLP | 990PF | Director | 0 | $0 | - | View return |
| 2022 | Paula M Grigsby Foundation Co Zakowski & Kannoth Cpas LLP | 990PF | Director | 0 | $0 | - | View return |
| 2022 | Frank Lloyd Wright Building Conservancy | 990 | Director | 5 | $0 | $0 | View return |
| 2021 | Central Coast State Veterans Cemetary Non Profit Corporation | 990 | Director | 3 | $0 | $0 | View return |
| 2021 | Frank Lloyd Wright Building Conservancy | 990 | Director | 5 | $0 | $0 | View return |
| 2020 | Metro Organization for Racial and Economic Equity Inc. | 990 | Board Member | 8 | $0 | $0 | View return |
| 2020 | Central Coast State Veterans Cemetary Non Profit Corporation | 990 | Director | 3 | $0 | $0 | View return |
| 2020 | Frank Lloyd Wright Building Conservancy | 990 | Director | 5 | $0 | $0 | View return |
| 2019 | Central Coast State Veterans Cemetary Non Profit Corporation | 990 | Director | 3 | $0 | $0 | View return |
| 2019 | Frank Lloyd Wright Building Conservancy | 990 | Director | 5 | $0 | $0 | View return |
| 2019 | Pomfret Community Housing Corporation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | Central Coast State Veterans Cemetary Non Profit Corporation | 990 | Director | 3 | $0 | $0 | View return |
| 2018 | Pomfret Community Housing Corporation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2017 | Central Coast State Veterans Cemetary Non Profit Corporation | 990 | Director | 3 | $0 | $0 | View return |
| 2017 | Pomfret Community Housing Corporation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2017 | Pomfret Community Housing Corporation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2016 | Pomfret Community Housing Corporation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2016 | Pisgah Astronomical Research Institute | 990 | Secretary | 2 | $0 | $0 | View return |
| 2016 | Central Coast State Veterans Cemetary Non Profit Corporation | 990 | Director | 3 | $0 | $0 | View return |
| 2015 | Central Coast State Veterans Cemetary Non Profit Corporation | 990 | Director | 3 | $0 | $0 | View return |
| 2015 | Pomfret Community Housing Corporation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2014 | Pisgah Astronomical Research Institute | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2014 | Central Coast State Veterans Cemetary Non Profit Corporation | 990 | Immediate Past President | 1 | $0 | $0 | View return |
| 2014 | Pomfret Community Housing Corporation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2013 | Pisgah Astronomical Research Institute | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2013 | Central Coast State Veterans Cemetary Non Profit Corporation | 990EZ | Immediate Past President | 5 | $0 | $0 | View return |
| 2013 | Pomfret Community Housing Corporation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2012 | Pisgah Astronomical Research Institute | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2011 | Pisgah Astronomical Research Institute | 990PF | Director | 1 | $0 | $0 | View return |