| 2024 | House of Speakeasy Foundation | 990 | Chairperson | 5 | $0 | $0 | View return |
| 2024 | International Friends of the London Library Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Mrs Giles Whiting Foundation | 990PF | Vice-President / Trustee | 3 | $0 | $0 | View return |
| 2024 | Do Well Foundation C/O Jonathan Barton | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2024 | Americans for Oxford Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Tfi Digital Archive Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2023 | Tfi Digital Archive Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2023 | Mrs Giles Whiting Foundation | 990PF | Vice-President / Trustee | 3 | $0 | $0 | View return |
| 2023 | Americans for Oxford Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | House of Speakeasy Foundation | 990 | Chairperson | 5 | $0 | $0 | View return |
| 2023 | International Friends of the London Library Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Do Well Foundation C/O Jonathan Barton | 990PF | Director | 0.1 | $0 | $0 | View return |
| 2023 | The American Friends of Policy Exchange Inc | 990 | Director | 0.2 | $0 | $0 | View return |
| 2022 | International Friends of the London Library Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | House of Speakeasy Foundation | 990 | Secretary - Director | 5 | $0 | $0 | View return |
| 2022 | Tfi Digital Archive Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2022 | Do Well Foundation C/O Jonathan Barton | 990PF | As Required | 0 | $0 | $0 | View return |
| 2022 | Americans for Oxford Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Mrs Giles Whiting Foundation | 990PF | Vice-President / Trustee | 3 | $0 | $0 | View return |
| 2022 | The American Friends of Policy Exchange Inc | 990 | Director | 0.2 | $0 | $0 | View return |
| 2021 | Tfi Digital Archive Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2021 | International Friends of the London Library Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Americans for Oxford Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Mrs Giles Whiting Foundation | 990PF | Vice-President / Trustee | 3 | $0 | $0 | View return |
| 2021 | Do Well Foundation C/O Jonathan Barton | 990PF | As Required | 0 | $0 | $0 | View return |
| 2021 | House of Speakeasy Foundation | 990 | Secretary - Director | 5 | $0 | $0 | View return |
| 2021 | The American Friends of Policy Exchange Inc | 990 | Director | 0.2 | $0 | $0 | View return |
| 2020 | Tfi Digital Archive Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2020 | International Friends of the London Library Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Do Well Foundation C/O Jonathan Barton | 990PF | As Required | 0 | $0 | $0 | View return |
| 2020 | Mrs Giles Whiting Foundation | 990PF | Vice-President / Trustee | 3 | $0 | $0 | View return |
| 2020 | House of Speakeasy Foundation | 990 | Secretary - Director | 5 | $0 | $0 | View return |
| 2020 | Americans for Oxford Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | The American Friends of Policy Exchange Inc | 990 | Director | 0.2 | $0 | $0 | View return |
| 2019 | The American Friends of Policy Exchange Inc | 990 | Director | 0.2 | $0 | $0 | View return |
| 2019 | Americans for Oxford Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Do Well Foundation C/O Jonathan Barton | 990PF | As Required | 0 | $0 | $0 | View return |
| 2019 | International Friends of the London Library Inc | 990EZ | Director | 1 | $0 | - | View return |
| 2019 | House of Speakeasy Foundation | 990 | Secretary - Director | 5 | $0 | $0 | View return |
| 2019 | Tfi Digital Archive Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2018 | House of Speakeasy Foundation | 990 | Secretary - Director | 5 | $0 | $0 | View return |
| 2018 | International Friends of the London Library Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Americans for Oxford Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Do Well Foundation C/O Jonathan Barton | 990PF | As Required | 0 | $0 | $0 | View return |
| 2018 | The American Friends of Policy Exchange Inc | 990 | Vice Chair | 0.2 | $0 | $0 | View return |
| 2017 | Americans for Oxford Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | House of Speakeasy Foundation | 990 | Secretary - Director | 5 | $0 | $0 | View return |
| 2017 | Do Well Foundation C/O Jonathan Barton | 990PF | As Required | 0 | $0 | $0 | View return |
| 2017 | The American Friends of Policy Exchange Inc | 990 | Vice Chair | 0.2 | $0 | $0 | View return |
| 2016 | Americans for Oxford Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | The American Friends of Policy Exchange Inc | 990 | Vice Chair | 0.2 | $0 | $0 | View return |
| 2016 | Do Well Foundation C/O Jonathan Barton | 990PF | As Required | 0 | $0 | $0 | View return |
| 2016 | House of Speakeasy Foundation | 990 | Secretary - Director | 5 | $0 | $0 | View return |
| 2016 | House of Speakeasy Foundation | 990 | Secretary - Director | 5 | $0 | $0 | View return |
| 2015 | The American Friends of Policy Exchange Inc | 990 | Vice Chair | 0.2 | $0 | $0 | View return |
| 2015 | Americans for Oxford Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | House of Speakeasy Foundation | 990 | Secretary - Director | 4 | $0 | $0 | View return |
| 2014 | Americans for Oxford Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | House of Speakeasy Foundation | 990 | Secretary - Director | 4 | $0 | $0 | View return |
| 2014 | The American Friends of Policy Exchange Inc | 990 | Vice Chair | 0.2 | $0 | $0 | View return |
| 2013 | Biographers International Organization | 990EZ | Director | 0 | $0 | - | View return |
| 2013 | House of Speakeasy Foundation | 990 | Secretary - Director | 4 | $0 | $0 | View return |
| 2013 | The American Friends of Policy Exchange Inc | 990EZ | Vice Chair | 0.2 | $0 | $0 | View return |