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The red node is Heather. 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

Dr Heather Tewkesbury

Dr Heather Tewkesbury is a trustee of The Institute of Mathematics and ITS Applications (since 2026). Source: Charity Commission and Companies House records.

Chair at The Institute of Mathematics and ITS Applications

  • 1 current role
  • 3 previous roles
  • Served alongside 138 people
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Official record Charity Commission and Companies House · updated 11th October 2026

Roles

4 roles across 4 organisations (1 current, 3 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 (1)

Previous roles (3)

  • Operational Research Society
    Director · 2024
    Official record · Companies House
    Source
    Companies House
    Organisation
    Operational Research Society
    Role
    Director
    Appointed
    2024-01-01
    Ended
    2024-12-31
    Record reference
    Company 00663819
    Previous
  • Techuk LTD
    Director · 2015-2017
    Official record · Companies House
    Source
    Companies House
    Organisation
    Techuk LTD
    Role
    Director
    Appointed
    2015-07-17
    Ended
    2017-07-12
    Record reference
    Company 01200318
    Previous
  • Smith Institute
    Director · 2010-2023
    Official record · Companies House
    Source
    Companies House
    Organisation
    Smith Institute
    Role
    Director
    Appointed
    2010-03-19
    Ended
    2023-08-01
    Record reference
    Company 03341743
    Previous

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

People Heather has served alongside

138 people across 4 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.

Techuk LTD 66 people · 1992-present

Operational Research Society 34 people · 1991-present

The Institute of Mathematics and ITS Applications 23 people · 2026-present

Smith Institute 15 people · 2010-present

People marked “Likely the same person” are reached through a record that is a likely relationship to Heather: 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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