| 2024 | One Valley Community Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | Mathieson Family Foundation | 990PF | Director & President | 1 | $0 | $0 | View return |
| 2023 | The Buhl Foundation | 990PF | Director | 4 | $7,500 | $0 | View return |
| 2023 | The Pittsburgh Trust for Cultural | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2023 | Mathieson Family Foundation | 990PF | Director & President | 1 | $0 | $0 | View return |
| 2023 | Rolling Rock Club | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | The Buhl Foundation | 990PF | Director | 4 | $7,500 | $0 | View return |
| 2022 | Rolling Rock Club | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Mathieson Family Foundation | 990PF | Director & President | 1 | $0 | $0 | View return |
| 2022 | The Pittsburgh Trust for Cultural | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2021 | Mathieson Family Foundation | 990PF | Director & President | 1 | $0 | $0 | View return |
| 2021 | Rolling Rock Club | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | The Pittsburgh Trust for Cultural | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2021 | The Buhl Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2021 | Council for Advancement and Support Of | 990 | Member | 2 | $0 | $0 | View return |
| 2020 | The Buhl Foundation | 990PF | Chairman | 4 | $7,500 | $0 | View return |
| 2020 | Mathieson Family Foundation | 990PF | Director & President | 1 | $0 | $0 | View return |
| 2020 | The Pittsburgh Trust for Cultural | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2020 | Rolling Rock Club | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Council for Advancement and Support Of | 990 | Member | 2 | $0 | $0 | View return |
| 2019 | Mathieson Family Foundation | 990PF | Director & President | 1 | $0 | $0 | View return |
| 2019 | Rolling Rock Club | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | The Pittsburgh Trust for Cultural | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2019 | The Buhl Foundation | 990PF | Chairman | 4 | $0 | $0 | View return |
| 2019 | Council for Advancement and Support Of | 990 | Member | 2 | $0 | $0 | View return |
| 2018 | The Buhl Foundation | 990PF | Chairman | 4 | $7,500 | $0 | View return |
| 2018 | The Pittsburgh Trust for Cultural | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2018 | Mathieson Family Foundation | 990PF | Director & Vice President | 1 | $0 | $0 | View return |
| 2018 | Rolling Rock Club | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Ypo Gold Pittsburgh Chapter | 990 | Director | 0.5 | $0 | $0 | View return |
| 2018 | Council for Advancement and Support Of | 990 | Member | 2 | $0 | $0 | View return |
| 2018 | Mathieson Family Foundation | 990PF | Director & Vice President | 1 | $0 | $0 | View return |
| 2017 | The Buhl Foundation | 990PF | Chairman | 4 | $7,500 | $0 | View return |
| 2017 | The Pittsburgh Trust for Cultural | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2017 | Rolling Rock Club | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Mathieson Family Foundation | 990PF | Director & Vice President | 1 | $0 | $0 | View return |
| 2017 | Council for Advancement and Support Of | 990 | Member | 2 | $0 | $0 | View return |
| 2017 | Ypo Gold Pittsburgh Chapter | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | Mathieson Family Foundation | 990PF | Director & Vice President | 1 | $0 | $0 | View return |
| 2016 | Council for Advancement and Support Of | 990 | Member | 2 | $0 | $0 | View return |
| 2016 | The Pittsburgh Trust for Cultural | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2016 | Ypo Gold Pittsburgh Chapter | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | Rolling Rock Club | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Rolling Rock Club | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | The Pittsburgh Trust for Cultural | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2014 | Mathieson Family Foundation | 990PF | Director & Vice President | 1 | $0 | $0 | View return |
| 2014 | The Pittsburgh Trust for Cultural | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2014 | Rolling Rock Club | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Ypo Gold Pittsburgh Chapter | 990 | Membership/Integration CHA | 1 | $0 | $0 | View return |
| 2013 | Rp Simmons Family Charitable Trust | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2013 | The Pittsburgh Trust for Cultural | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2013 | Rolling Rock Club | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | The Pittsburgh Foundation | 990 | Director | 1 | $0 | $0 | View return |