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The red node is Sion. 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

Sion Wyn Fon

Sion Wyn Fon is a trustee of Theatr Genedlaethol Cymru (since 2021) and a director of 3 companies. Source: Companies House and Charity Commission records.

Director at Cywaith Cyfyngedig · Director at Golwg Cyfyngedig

  • 4 current roles
  • 1 previous role
  • Served alongside 59 people
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Official record Companies House and Charity Commission · updated 18th October 2026

Roles

5 roles across 5 organisations (4 current, 1 previous)

Current roles (4)

Previous roles (1)

  • Menter Caerdydd
    Director · 2020-2021
    Official record · Companies House
    Source
    Companies House
    Organisation
    Menter Caerdydd
    Role
    Director
    Appointed
    2020-11-23
    Ended
    2021-11-29
    Record reference
    Company 04576565
    Previous

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 Sion has served alongside

59 people across 5 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.

Theatr Genedlaethol Cymru 22 people · 2021-present

Golwg Cyfyngedig 17 people · 1998-present

Theatr Genedlaethol Cymru 13 people · 2021-present

Cywaith Cyfyngedig 2 people · 2023-present

Menter Caerdydd 16 people · 2020-2021

Sources

Companies House
Officer appointments and resignations.
Charity Commission
Register of Charities: current trustees and appointment dates.
Edition
Register edition compiled 18th 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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