| 2024 | National Tropical Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | Shattemuc Yacht Club Inc | 990 | Fleet Captai | - | $0 | $0 | View return |
| 2024 | Gardner Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2024 | Fraternal Order of Eagles Foe Aerie 4379 Inc | 990 | Secretary | 0 | $0 | $0 | View return |
| 2024 | Boothbay Region Food Pantry | 990 | Board Member | 2 | $0 | $0 | View return |
| 2024 | The Gardner Family Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2023 | Gardner Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2023 | Boothbay Region Food Pantry | 990EZ | Board Member | 4 | $0 | - | View return |
| 2023 | Fraternal Order of Eagles Foe Aerie 4379 Inc | 990 | Secretary | 0 | $0 | $0 | View return |
| 2023 | Shattemuc Yacht Club Inc | 990 | Fleet Captai | 3 | $0 | $0 | View return |
| 2023 | National Tropical Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Ye Mystic Krewe of Gasparilla | 990 | Director | 0.5 | $0 | $0 | View return |
| 2023 | Mercy Hospital Iowa City Iowa | 990 | Board Member (End 1/24) | 1 | $0 | $0 | View return |
| 2023 | The Gardner Family Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2023 | Corridor 9495 Regional Chamber of Commerce | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Marine Village School | 990 | Vice President | 1 | $0 | $0 | View return |
| 2022 | Gardner Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | Charles County Chamber Commerce Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Ye Mystic Krewe of Gasparilla | 990 | Director (4/5/23-4/30/23) | 0.5 | $0 | $0 | View return |
| 2022 | Shattemuc Yacht Club Inc | 990 | Fleet Captai | 4 | $0 | $0 | View return |
| 2022 | Swarm Lacrosse Club Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2022 | Boothbay Region Food Pantry | 990EZ | Director | 0 | $0 | - | View return |
| 2022 | Big O Foundation | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2022 | National Tropical Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Fraternal Order of Eagles Foe Aerie 4379 Inc | 990 | Secretary | 0 | $0 | $0 | View return |
| 2022 | Lake Mishnock Volunteer Fire Company | 990 | Chief | - | $0 | $0 | View return |
| 2022 | Corridor 9495 Regional Chamber of Commerce | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Gardner Family Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2022 | Mercy Hospital Iowa City Iowa | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Marine Village School | 990 | Vice President | 1 | $0 | $0 | View return |
| 2021 | Boothbay Region Food Pantry | 990EZ | Director | 0 | $0 | - | View return |
| 2021 | Gardner Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2021 | Charles County Chamber Commerce Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Swarm Lacrosse Club Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2021 | Shattemuc Yacht Club Inc | 990 | Fleet Captai | - | $0 | $0 | View return |
| 2021 | National Tropical Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | The Gardner Family Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2021 | Lake Mishnock Volunteer Fire Company | 990 | Chief | 40 | $0 | $0 | View return |
| 2021 | Corridor 9495 Regional Chamber of Commerce | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Gardner Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2020 | Boothbay Region Food Pantry | 990EZ | Director | 0 | $0 | - | View return |
| 2020 | Swarm Lacrosse Club Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2020 | Shattemuc Yacht Club Inc | 990 | Fleet Captai | 3 | $0 | $0 | View return |
| 2020 | National Tropical Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Corridor 9495 Regional Chamber of Commerce | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Gardner Family Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2020 | Minnesota State Council on Economic Education | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Middle Atlantic Section of The | 990 | President-Southern Chapter | 1 | $0 | $0 | View return |
| 2019 | National Tropical Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Gardner Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2019 | Mifflinburg Buggy Museum Association Inc | 990 | President | - | $0 | $0 | View return |
| 2019 | The Gardner Family Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2018 | Tennessee Medical Association Impaired Physician Loan Fund Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2018 | Gardner Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2018 | Pine Health Benefit Trust | 990 | Trustee | 0 | $0 | $0 | View return |
| 2018 | National Tropical Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Gardner Family Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2017 | Tennessee Medical Association Impaired Physician Loan Fund Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2017 | National Tropical Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Florida United Methodist Foundation Inc | 990 | Board Member | 3.3 | $0 | $0 | View return |
| 2017 | Pine Health Benefit Trust | 990 | Trustee | - | $0 | $0 | View return |
| 2017 | Beach Point Club Inc | 990 | Secretary | 3 | $0 | $0 | View return |
| 2017 | Gardner Foundation | 990PF | President | 0.25 | $0 | $0 | View return |
| 2017 | The Gardner Family Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2017 | Baptist Health South Florida Foundation Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | The Gardner Family Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2016 | National Tropical Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Pine Health Benefit Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Tennessee Medical Association Impaired Physician Loan Fund Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2016 | Florida United Methodist Foundation Inc | 990 | Board Member | 3.3 | $0 | $0 | View return |
| 2016 | Baptist Health South Florida Foundation Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Graphic Arts Institute of New England D/B/A Printing Industries of New England | 990 | Director | - | $0 | $0 | View return |
| 2016 | The Gardner Family Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2016 | Beach Point Club Inc | 990 | Secretary | 3 | $0 | $0 | View return |
| 2016 | Gardner Foundation | 990PF | President | 0.5 | $0 | $0 | View return |
| 2015 | Tennessee Medical Association Impaired Physician Loan Fund Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2015 | Florida United Methodist Foundation Inc | 990 | Board Member | 3.3 | $0 | $0 | View return |
| 2015 | Iowa State Bar Review School Inc | 990 | Emer. Director | 0.5 | $0 | $0 | View return |
| 2015 | National Tropical Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Pine Health Benefit Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Gardner Family Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2015 | Graphic Arts Institute of New England D/B/A Printing Industries of New England | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | Baptist Health South Florida Foundation Inc. | 990 | Director Beg. 10/15 | 2 | $0 | $0 | View return |
| 2014 | Iowa State Bar Review School Inc | 990 | Emer. Director | 0.5 | $0 | $0 | View return |
| 2014 | Tamb of Jackson Tennessee Inc | 990 | - | - | $0 | $0 | View return |
| 2014 | National Tropical Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Pine Health Benefit Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Florida United Methodist Foundation Inc | 990 | Board Member | 3.3 | $0 | $0 | View return |
| 2014 | Stonington Country Club Inc | 990 | Director | - | $0 | $0 | View return |
| 2014 | Beach Point Club Inc | 990 | Governor | 3 | $0 | $0 | View return |
| 2014 | The Gardner Family Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2014 | Graphic Arts Institute of New England D/B/A Printing Industries of New England | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Iowa State Bar Review School Inc | 990 | Emeritus Direct | 0.5 | $0 | $0 | View return |
| 2013 | Pine Health Benefit Trust | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Florida United Methodist Foundation Inc | 990 | Board Member | 3.3 | $0 | $0 | View return |
| 2013 | Stonington Country Club Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | National Tropical Botanical Garden | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2013 | Tamb of Jackson Tennessee Inc | 990 | - | - | $0 | $0 | View return |
| 2013 | West Haven Community House Assoc Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Graphic Arts Institute of New England D/B/A Printing Industries of New England | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | The Gardner Family Foundation Inc | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2013 | Rotary International Westborough Rotary Club Inc | 990EZ | Past President | 0 | $0 | - | View return |