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The red node is Henrietta. Pale nodes are charities, grey nodes are companies, and darker grey nodes are the people who sit on them. Dashed links are historical or inferred. Click any node to explore.

Person

Henrietta Kate Blaxland Martin-Fisher

Henrietta Kate Blaxland Martin-Fisher is a trustee of The London Playing Fields Society (since 2014) and a director of 1 company. Source: Companies House and Charity Commission records.

Director at The Turquoise Mountain Trust · Trustee at The London Playing Fields Society

  • 2 current roles
  • 5 previous roles
  • Served alongside 54 people
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Official record Companies House and Charity Commission · updated 11th October 2026

Roles

7 roles across 7 organisations (2 current, 5 previous)

Rows marked “Likely the same person” come from a record that is a likely relationship: there is sufficient evidence to suggest it concerns the same individual, but it is not established as confirmed. The appointment itself still comes from its official source.

Current roles (2)

Previous roles (5)

Company roles, current and past, as filed at Companies House.

People Henrietta has served alongside

54 people across 7 organisations

Based on overlapping official board records. Calculated from official records It does not mean they know each other. Only formal co-service is listed: people are never joined on a matching name alone.

The Turquoise Mountain Trust 13 people · 2016-present

The London Playing Fields Society 9 people · 2014-present

The BM CO Pension Trustee Company Limited 7 people · 2020-present

The British Museum Company Limited 20 people · 1993-2024

British Museum Ventures Limited 12 people · 1994-2024

The British Museum Great Court Limited 7 people · 2020-2024

Imperial College Innovations Limited 6 people · 2016-2018

People marked “Likely the same person” are reached through a record that is a likely relationship to Henrietta: there is sufficient evidence to suggest it concerns the same individual, but it is not established as confirmed.

Sources

Companies House
Officer appointments and resignations.
Edition
Register edition compiled 11th October 2026
Identity
Records are treated as the same person only where our identity-matching rules support it. Confirmed relationships are supported by the approved identity-matching evidence and rules. Likely relationships are supported by sufficient evidence to suggest the records concern the same individual, but are not established as confirmed; they are shown with the label “Likely the same person”. How people are matched

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