| 2024 | Boston Youth Sanctuary Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2024 | Karp Family Foundation Stephen R and Jill E Karp Trustees | 990PF | Trustee | 0.2 | $0 | $0 | View return |
| 2024 | Belmont Hill School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Boston Youth Sanctuary Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2023 | Newton Little League | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2023 | Children'S Medical Center Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Karp Family Foundation Stephen R and Jill E Karp Trustees | 990PF | Trustee | 0.2 | $0 | $0 | View return |
| 2023 | Children'S Hospital Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Belmont Hill School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Dana-Farber Childrens Hospital Cancer Care Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Boston Youth Sanctuary Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2022 | Karp Family Foundation Stephen R and Jill E Karp Trustees | 990PF | Trustee | 0.2 | $0 | $0 | View return |
| 2022 | Newton Little League | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2022 | Dana-Farber Childrens Hospital Cancer Care Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Children'S Medical Center Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Children'S Hospital Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Trustees of Boston University | 990 | Trustee (Until 9/29/22) | 3 | $0 | $0 | View return |
| 2022 | Belmont Hill School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Boston Youth Sanctuary Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2021 | Karp Family Foundation Stephen R and Jill E Karp Trustees | 990PF | Trustee | 0.2 | $0 | $0 | View return |
| 2021 | Trustees of Boston University | 990 | Trustee | 3 | $0 | $0 | View return |
| 2021 | Banyan Golf Club of Palm Beach Inc | 990 | Ex-Officio | 0.25 | $0 | $0 | View return |
| 2021 | Newton Little League | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2021 | Belmont Hill School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Boston Youth Sanctuary Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2020 | Mass General Brigham Incorporated & | 990 | See Schedule O - O & T Titles | 1 | $0 | $0 | View return |
| 2020 | Children'S Medical Center Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Karp Family Foundation Stephen R and Jill E Karp Trustees | 990PF | Trustee | 0.2 | $0 | $0 | View return |
| 2020 | Children'S Hospital Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Dana-Farber Childrens Hospital Cancer Care Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Trustees of Boston University | 990 | Trustee | 3 | $0 | $0 | View return |
| 2020 | Banyan Golf Club of Palm Beach Inc | 990 | Ex-Officio | 0.25 | $0 | $0 | View return |
| 2019 | Boston Youth Sanctuary Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2019 | Belmont Hill School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Banyan Golf Club of Palm Beach Inc | 990 | Ex-Officio (As Of 3/20)/President (Through 3/20) | 0.25 | $0 | $0 | View return |
| 2019 | Children'S Medical Center Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Children'S Hospital Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Trustees of Boston University | 990 | Trustee | 3 | $0 | $0 | View return |
| 2019 | Dana-Farber Childrens Hospital Cancer Care Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Mass General Brigham Incorporated & | 990 | See Schedule O - O & T Titles | 1 | $0 | $0 | View return |
| 2018 | Boston Youth Sanctuary Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2018 | Children'S Hospital Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Trustees of Boston University | 990 | Trustee | 3 | $0 | $0 | View return |
| 2018 | Children'S Medical Center Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Longwood Medical Energy Collaborative Inc. | 990 | Director (Part Year) | 1 | $0 | $0 | View return |
| 2018 | Banyan Golf Club of Palm Beach Inc | 990 | President | 10 | $0 | $0 | View return |
| 2018 | Belmont Hill School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Blood Research Institute Inc. | 990 | Chairman (Thru 1/21/19) | 0 | $0 | $0 | View return |
| 2017 | Boston Youth Sanctuary Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2017 | Blood Research Institute Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2017 | Trustees of Boston University | 990 | Trustee | 3 | $0 | $0 | View return |
| 2017 | Banyan Golf Club of Palm Beach Inc | 990 | President | 10 | $0 | $0 | View return |
| 2017 | Belmont Hill School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Children'S Medical Center Corporation | 990 | Trustee-Chairman | 5 | $0 | $0 | View return |
| 2017 | Mass General Brigham Incorporated & | 990 | See Schedule O - O & T Titles | 1 | $0 | $0 | View return |
| 2017 | Children'S Hospital Corporation | 990 | Trustee - Chairman | 5 | $0 | $0 | View return |
| 2017 | Longwood Medical Energy Collaborative Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Longwood Medical Energy Collaborative Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Belmont Hill School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Blood Research Institute Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2016 | Children'S Medical Center Corporation | 990 | Trustee-Chairman | 5 | $0 | $0 | View return |
| 2016 | Children'S Hospital Corporation | 990 | Trustee - Chairman | 5 | $0 | $0 | View return |
| 2016 | Mass General Brigham Incorporated & | 990 | See Schedule O - O & T Title | 1 | $0 | $0 | View return |
| 2016 | Banyan Golf Club of Palm Beach Inc | 990 | President | 12 | $0 | $0 | View return |
| 2016 | Trustees of Boston University | 990 | Trustee | 3 | $0 | $0 | View return |
| 2015 | Boston Youth Sanctuary Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2015 | Blood Research Institute Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2015 | Belmont Hill School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Banyan Golf Club of Palm Beach Inc | 990 | Vice-President | 3 | $0 | $0 | View return |
| 2015 | Trustees of Boston University | 990 | Trustee | 3 | $0 | $0 | View return |
| 2015 | Mass General Brigham Incorporated & | 990 | See Schedule O - O & T Titles | 1 | $0 | $0 | View return |
| 2015 | Children'S Medical Center Corporation | 990 | Trustee-Chairman | 5 | $0 | $0 | View return |
| 2015 | Longwood Medical Energy Collaborative Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Children'S Hospital Corporation | 990 | Trustee - Chairman | 5 | $0 | $0 | View return |
| 2014 | Boston Youth Sanctuary Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | Banyan Golf Club of Palm Beach Inc | 990 | Vice-President | 3 | $0 | $0 | View return |
| 2014 | Longwood Medical Energy Collaborative Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Children'S Hospital Corporation | 990 | Trustee - Chairman | 5 | $0 | $0 | View return |
| 2014 | Mass General Brigham Incorporated & | 990 | See Schedule O - O & T Titles | 1 | $0 | $0 | View return |
| 2014 | Belmont Hill School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Trustees of Boston University | 990 | Trustee | 3 | $0 | $0 | View return |
| 2013 | Boston Youth Sanctuary Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2013 | Banyan Golf Club of Palm Beach Inc | 990 | Director | 3 | $0 | $0 | View return |
| 2013 | Belmont Hill School Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Trustees of Boston University | 990 | Trustee | 3 | - | - | View return |
| 2013 | Longwood Medical Energy Collaborative Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Mass General Brigham Incorporated & | 990 | See Schedule O - O & T Titles | 1 | $0 | $0 | View return |
| 2013 | Children'S Hospital Corporation | 990 | Trustee - Chairman | 5 | $0 | $0 | View return |