| 2024 | Robert J Kleberg Jr and Helen C Kleberg Foundation | 990PF | V/P - Secretary | 1 | $0 | $0 | View return |
| 2024 | Texas Land & Mineral Owners Association | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Robert J Kleberg Jr and Helen C Kleberg Foundation | 990PF | V/P - Secretary | 1 | $0 | $0 | View return |
| 2023 | Texas Land & Mineral Owners Association | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Lower Merion Development Corporation | 990PF | President | 0 | $0 | $0 | View return |
| 2023 | Lower Merion Affordable Housing Corporation Inc. | 990 | Member | - | $0 | $0 | View return |
| 2022 | Texas Land & Mineral Owners Association | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Robert J Kleberg Jr and Helen C Kleberg Foundation | 990PF | V/P - Secretary | 1 | $0 | $0 | View return |
| 2022 | Lower Merion Affordable Housing Corporation Inc. | 990 | Member | - | $0 | $0 | View return |
| 2022 | Lower Merion Development Corporation | 990PF | President | 0 | $0 | $0 | View return |
| 2021 | Texas Land & Mineral Owners Association | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Robert J Kleberg Jr and Helen C Kleberg Foundation | 990PF | V/P - Secretary | 1 | $0 | $0 | View return |
| 2021 | Lower Merion Affordable Housing Corporation Inc. | 990 | Member | - | $0 | $0 | View return |
| 2021 | Lower Merion Development Corporation | 990PF | President | 1 | $0 | $0 | View return |
| 2020 | Robert J Kleberg Jr and Helen C Kleberg Foundation | 990PF | V/P - Secretary | 1 | $0 | $0 | View return |
| 2020 | Texas Land & Mineral Owners Association | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Lower Merion Development Corporation | 990PF | President | 1 | $0 | $0 | View return |
| 2020 | Lower Merion Affordable Housing Corporation Inc. | 990 | Member | 0 | $0 | $0 | View return |
| 2019 | Lower Merion Affordable Housing Corporation Inc. | 990 | Member | 0 | $0 | $0 | View return |
| 2019 | Lower Merion Development Corporation | 990PF | President | 1 | $0 | $0 | View return |
| 2018 | Lower Merion Affordable Housing Corporation Inc. | 990 | Member | 0 | $0 | $0 | View return |
| 2018 | Lower Merion Development Corporation | 990PF | President | 1 | $0 | $0 | View return |
| 2017 | Texas Land & Mineral Owners Association | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2017 | Lower Merion Affordable Housing Corporation Inc. | 990 | Member | 0 | $0 | $0 | View return |
| 2017 | Lower Merion Development Corporation | 990PF | President | 1 | $0 | $0 | View return |
| 2016 | Clemson University Foundation | 990 | CIO | 8 | $75,417 | $179,725 | View return |
| 2016 | Texas Land & Mineral Owners Association | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2016 | Lower Merion Affordable Housing Corporation Inc. | 990 | Member | 0 | $0 | $0 | View return |
| 2016 | Lower Merion Development Corporation | 990PF | President | 1 | $0 | $0 | View return |
| 2015 | Clemson University Foundation | 990 | CIO | 8 | $68,855 | $182,334 | View return |
| 2015 | Lower Merion Affordable Housing Corporation Inc. | 990 | Member | 0 | $0 | $0 | View return |
| 2015 | Texas Land & Mineral Owners Association | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Lower Merion Development Corporation | 990PF | President | 1 | $0 | $0 | View return |
| 2014 | Clemson University Foundation | 990 | CIO Clemson Univ-Ex Officio | 8 | $69,320 | $194,135 | View return |
| 2014 | Texas Land & Mineral Owners Association | 990 | Director | 0.75 | $0 | $0 | View return |
| 2014 | Lower Merion Affordable Housing Corporation Inc. | 990 | Member | 0 | $0 | $0 | View return |
| 2014 | Lower Merion Development Corporation | 990EZ | President | 1 | $0 | $0 | View return |
| 2013 | Clemson University Foundation | 990 | CIO Clemson Univ-Ex Officio | 8 | $55,688 | $166,863 | View return |
| 2013 | Lower Merion Development Corporation | 990EZ | President | 1 | $0 | $0 | View return |
| 2013 | Texas Land & Mineral Owners Association | 990 | Director | 0.75 | $0 | $0 | View return |
| 2013 | Lower Merion Affordable Housing Corporation Inc. | 990 | Member | 0 | $0 | $0 | View return |
| 2013 | Raleigh Police Department Foundation Inc. | 990 | Director | 0.5 | - | - | View return |