Thomas Sinclair Montgomeryage 55
Trustee of 2 charities - director of 3 companies - 3 former directorships
Board network
Green nodes are the charities this person governs; amber nodes are trustees they sit alongside. Click any node to explore.
Governance intelligence
14.6 years in governance · 2 charity boards · 6 company directorships (3 former) · 1 sector · 2.5y average tenure
Calculated from Charity Commission and Companies House records - deterministic, no AI.
Boards (2)
- THE King'S School OF THE Cathedral Church OF Canterbury since 2025 · 1yIncome across tenure yearsCharity Commission annual returns
- Headington School Oxford Limited since 2022 · 4yIncome across tenure yearsIncome +22% across tenure yearsIncome trend: risingReserves cover about 20 months of spending (latest year)Charity Commission annual returns
Company appointments
- Director Headington School Oxford Limited appointed 2022 On the register
Company directorships matched to this trustee from Companies House. Company status is a matter of public record, shown as at the latest register snapshot.
Governance journey
-
2011
Director
-
2014
Director - resigned 2018
-
2018
Director - resigned 2018
-
2018
Director - resigned 2018
-
2018
Director
- 2022
-
2022
Director
- 2022
- 2025
Governance network
43
people served alongside
19
organisations in their governance network
Most-frequent collaborators
- Gardner, Penelope Jane Headington School Services Limited, 2023-current
- Couzens, Richard Charles Headington School Services Limited, 2022-current
- Ringham, Catherine Mary, Dr Headington School Services Limited, 2022-2023
- Shipperley, Reginald Stephen Headington School Services Limited, 2022-2022
- Berridge, Alessandra Berry Ward Gemfair Limited, 2018-2018
- Zerouki, Feriel Gemfair Limited, 2018-2018
- Klonarides, Elaine Gemfair Limited, 2018-2018
- Fricker, David Spencer Gemfair Limited, 2018-2018
- +19 more
Similar leaders
Corporate non-executiveSector specialist
People with a similar governance profile
- Emma Jane Frances Hattersley same sectors
- Professor James Alexander Miller same sectors
- Rachel Mary Sandby-Thomas same sectors
- David Hughes same sectors
- Diana Elizabeth Deborah Robinson same sectors
- Fiona Jane Boulton same sectors
Grouped by governance profile from public records - deterministic, no AI.
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