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The red node is Hayaatun. 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

Dame Hayaatun Sillem DBE

Dame Hayaatun Sillem DBE is a trustee of The Leverhulme Trust (since 2026), Leverhulme Trade Charities Trust (since 2026) and 3 other charities and a director of 3 companies. Source: Charity Commission and Companies House records.

Trustee at The Leverhulme Trust · Trustee at Leverhulme Trade Charities Trust

  • 8 current roles
  • 5 previous roles
  • Served alongside 153 people
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Official record Charity Commission and Companies House · updated 25th October 2026

Roles

13 roles across 13 organisations (8 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 (8)

Previous roles (5)

  • EnginuityDirector · 2016-2018Likely the same personPrevious

Charity trustee roles come from the current Charity Commission register, which lists serving trustees only. Company roles, current and past, come from Companies House.

People Hayaatun has served alongside

153 people across 13 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.

Festival 2022 Limited (dissolved 2025) 14 people · 2020-present

Mission44 12 people · 2022-present

The Leverhulme Trust 10 people · 2026-present

Leverhulme Trade Charities Trust 10 people · 2026-present

The John Browne Foundation 6 people · Current

The John Browne Charitable Trust 5 people · 2023-present

Mission44 5 people · 2022-present

Argentic Associates Limited 1 person · 2026-present

The Engineering and Technology Board 41 people · 2018-2025

Enginuity 38 people · 1993-2018

London Transport Museum Limited 18 people · 2017-2020

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

Sources

Charity Commission
Register of Charities: current trustees and appointment dates.
Edition
Register edition compiled 25th 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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