| 2024 | Council for Economic Education | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | An Association Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2024 | The Thorne Cox Family Foundation C/O Brown Advisory | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2024 | United States Ski Association | 990 | Trustee | 2 | $0 | $0 | View return |
| 2024 | United States Ski Team Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2023 | An Association Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | United States Ski Team Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2023 | The Thorne Cox Family Foundation C/O Brown Advisory | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2023 | United States Ski Association | 990 | Trustee | 2 | $0 | $0 | View return |
| 2023 | Women'S World Banking Inc | 990 | Director (As Of 10/20/23) | 5 | $0 | $0 | View return |
| 2023 | Us Lacrosse Foundation Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Young Presidents Organization Inc | 990 | Asst Learnin | 10 | $0 | $0 | View return |
| 2022 | An Association Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2022 | The Thorne Cox Family Foundation C/O Brown Advisory | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2022 | Us Lacrosse Foundation Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Council for Economic Education | 990 | Outgoing Board Members | 1 | $0 | $0 | View return |
| 2022 | Young Presidents Organization Inc | 990 | Membership C | 5 | $0 | $0 | View return |
| 2022 | United States Ski Association | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | United States Ski Team Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2021 | Us Lacrosse Foundation Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | United States Ski Association | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | An Association Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | The Thorne Cox Family Foundation C/O Brown Advisory | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2021 | Council for Economic Education | 990 | Board Members | 1 | $0 | $0 | View return |
| 2021 | Milton Academy | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Thorne Cox Family Foundation C/O Brown Advisory | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2020 | Us Lacrosse Foundation Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Council for Economic Education | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | An Association Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | United States Ski Team Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Milton Academy | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Council for Economic Education | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | The Thorne Cox Family Foundation C/O Brown Advisory | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2019 | United States Ski Team Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Milton Academy | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | De Cordova and Dana Museum and Park | 990 | Trustee (Until 6/2019) | 2 | $0 | $0 | View return |
| 2018 | United States Ski Team Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Invest in Girls Inc | 990 | Co-Chair | 1 | $0 | $0 | View return |
| 2018 | Milton Academy | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Invest in Girls Inc | 990 | Co-Chair | 0 | $0 | $0 | View return |
| 2017 | Milton Academy | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | De Cordova and Dana Museum and Park | 990 | Trustee | 10 | $0 | $0 | View return |
| 2016 | Milton Academy | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | De Cordova and Dana Museum and Park | 990 | Trustee | 10 | $0 | $0 | View return |
| 2016 | Invest in Girls Inc | 990 | Co-Chair/Clerk | 0 | $0 | $0 | View return |
| 2015 | Invest in Girls Inc | 990 | Clerk | 0 | $0 | $0 | View return |
| 2015 | De Cordova and Dana Museum and Park | 990 | Trustee | 10 | $0 | $0 | View return |
| 2015 | Milton Academy | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Milton Academy | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Lincoln Nursery School Inc. | 990 | Room Co-Parent Red | 1 | $0 | $0 | View return |
| 2014 | De Cordova and Dana Museum and Park | 990 | Trustee | 10 | $0 | $0 | View return |
| 2014 | Invest in Girls Inc | 990 | Clerk | 0 | $0 | $0 | View return |
| 2013 | Milton Academy | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | De Cordova and Dana Museum and Park | 990 | Trustee | 10 | $0 | $0 | View return |