The red node is Katherine. 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
Katherine Herrick Tyrrell
Katherine Herrick Tyrrell is a trustee of Martlesham Preschool (since 2025). Source: Charity Commission and Companies House records.
Trustee at Martlesham Preschool
- 1 current role
- 1 previous role
- Served alongside 15 people
Official record Charity Commission and Companies House · updated 11th October 2026
Roles
2 roles across 2 organisations (1 current, 1 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)
-
Martlesham PreschoolTrustee · 2025-present
Official record · Charity Commission
- Source
- Charity Commission
- Organisation
- Martlesham Preschool
- Role
- Trustee
- Appointed
- 2025-09-25
- Record reference
- Charity 288268
Likely the same personCurrent
Previous roles (1)
-
Parametric Technology (UK) LimitedDirector · 1994-1995
Official record · Companies House
- Source
- Companies House
- Organisation
- Parametric Technology (UK) Limited
- Role
- Director
- Appointed
- 1994-06-01
- Ended
- 1995-07-01
- Record reference
- Company 02513030
Previous
Company roles, current and past, as filed at Companies House.
People Katherine has served alongside
15 people across 2 organisationsBased 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.
Martlesham Preschool 7 people · 2025-present
- Charlotte GrantServing together now · since 2025 Likely the same person
- Elena StaianoServing together now · since 2025 Likely the same person
- Emma CookServing together now · since 2025 Likely the same person
- Gemma BrundellServing together now · since 2025 Likely the same person
- Grace FrenchServing together now · since 2025 Likely the same person
- Hannah GomezServing together now · since 2025 Likely the same person
- Jessica DuncanServing together now · since 2025 Likely the same person
Parametric Technology (UK) Limited 8 people · 1991-1995
- Charles Richard Harrison1995
- James Francis Kelliher1995
- Jon William Lauck1995
- John D Mcmahon1994
- Mark Joseph Gallagher1994-1995 dates incomplete
- Martha Leahy-Durcan1994-1995
- Steven Walske1994-1995 dates incomplete
- William Franics Norberg1991-1995 dates incomplete
People marked “Likely the same person” are reached through a record that is a likely relationship to Katherine: 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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