| 2024 | Richard King Mellon Foundation Dtd 01-01-47 | 990PF | Trustee/Director | 38 | $863,429 | $124,511 | View return |
| 2024 | R K Mellon Family Foundation | 990PF | Trustee/Director | 2 | $45,358 | $9,034 | View return |
| 2024 | Allegheny Conference on Community Development | 990 | At Large Member | 0.5 | $0 | $0 | View return |
| 2024 | Pittsburgh Life Sciences Alliance | 990 | Board Member | 0.75 | $0 | $0 | View return |
| 2024 | Carnegie Institute | 990 | Trustee | 2 | $0 | $0 | View return |
| 2024 | T of L Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2023 | Richard King Mellon Foundation Dtd 01-01-47 | 990PF | Trustee/Director | 38 | $796,338 | $122,838 | View return |
| 2023 | R K Mellon Family Foundation | 990PF | Trustee/Director | 2 | $41,827 | $8,754 | View return |
| 2023 | The Pittsburgh Trust for Cultural Resources | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2023 | Carnegie Institute | 990 | Trustee Entered 6/15/23 | 2 | $0 | $0 | View return |
| 2023 | Allegheny Conference on Community Development | 990 | At Large Member | 0.5 | $0 | $0 | View return |
| 2023 | African American Cultural Center | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | T of L Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2023 | Latrobe Area Hospital Charitable Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Carnegie Mellon University | 990 | Voting Trustee | 1 | $0 | $0 | View return |
| 2022 | Richard King Mellon Foundation Dtd 01-01-47 | 990PF | Trustee/Director | 38 | $685,195 | $114,399 | View return |
| 2022 | R K Mellon Family Foundation | 990PF | Trustee/Director | 2 | $36,006 | $7,396 | View return |
| 2022 | African American Cultural Center | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | Allegheny Conference on Community Development | 990 | At Large Member | 0.5 | $0 | $0 | View return |
| 2022 | The Pittsburgh Trust for Cultural Resources | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2022 | Latrobe Area Hospital Charitable Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Carnegie Mellon University | 990 | Voting Trustee | 0.9 | $0 | $0 | View return |
| 2022 | Advanced Robotics for Manufacturing Institute | 990 | Director (Exited Oct 2022) | 0 | $0 | $0 | View return |
| 2021 | Richard King Mellon Foundation Dtd 01-01-47 | 990PF | Trustee/Director | 38 | $595,643 | $111,604 | View return |
| 2021 | Richard King Mellon Foundation Dtd 01-01-47 | 990PF | Trustee/Director | 38 | $595,643 | $111,604 | View return |
| 2021 | R K Mellon Family Foundation | 990PF | Trustee / Director | 2 | $31,293 | $7,469 | View return |
| 2021 | R K Mellon Family Foundation | 990PF | Trustee / Director | 2 | $31,293 | $7,469 | View return |
| 2021 | Allegheny Conference on Community Development | 990 | At Large Member | 0.5 | $0 | $0 | View return |
| 2021 | The Pittsburgh Trust for Cultural Resources | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2021 | African American Cultural Center | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | Carnegie Mellon University | 990 | Voting Trustee (As Of 11/21) | 0.5 | $0 | $0 | View return |
| 2021 | Advanced Robotics for Manufacturing Institute | 990 | Director | 1.33 | $0 | $0 | View return |
| 2021 | Latrobe Area Hospital Charitable Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Richard King Mellon Foundation Dtd 01-01-47 | 990PF | Trustee/Director | 38 | $568,656 | $104,453 | View return |
| 2020 | R K Mellon Family Foundation | 990PF | Trustee / Director | 2 | $29,872 | $7,308 | View return |
| 2020 | Allegheny Conference on Community Development | 990 | At Large Member | 0.5 | $0 | $0 | View return |
| 2020 | The Pittsburgh Trust for Cultural Resources | 990 | Trustee | 0.4 | $0 | $0 | View return |
| 2020 | African American Cultural Center | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Advanced Robotics for Manufacturing Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Latrobe Area Hospital Charitable Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Richard King Mellon Foundation Dtd 01-01-47 | 990PF | Associate Director | 38 | $505,182 | $99,947 | View return |
| 2019 | R K Mellon Family Foundation | 990PF | Director | 2 | $26,536 | $6,919 | View return |
| 2019 | Allegheny Conference on Community Development | 990 | At Large Member (Enter 1/18/19) | 0.5 | $0 | $0 | View return |
| 2019 | The Pittsburgh Trust for Cultural Resources | 990 | Trustee (Entered 03/19) | 0.4 | $0 | $0 | View return |
| 2019 | Latrobe Area Hospital Charitable Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Riverlife | 990 | Board Member (Exited 9/2018) | 0.5 | $0 | $0 | View return |
| 2018 | The Grantmakers of Western Pennsyl Vania | 990 | President Emeritus | 0.5 | $0 | $0 | View return |
| 2018 | Latrobe Area Hospital Charitable Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Grantmakers of Western Pennsyl Vania | 990 | President | 1 | $0 | $0 | View return |
| 2017 | Latrobe Area Hospital Charitable Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Grantmakers of Western Pennsyl Vania | 990 | Secretary | 1 | $0 | $0 | View return |
| 2016 | Latrobe Area Hospital Charitable Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Grantmakers of Western Pennsyl Vania | 990 | Secretary | 0.5 | $0 | $0 | View return |
| 2014 | The Grantmakers of Western Pennsyl Vania | 990 | Director | 0.5 | $0 | $0 | View return |