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The red node is Calvin. 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

Calvin Dean Haack

Calvin Dean Haack was previously a director of Northern Powergrid Holdings Company (until 2025) and 1 other organisation. Source: Companies House records.

Director at Northern Electric PLC · Director at Northern Powergrid Holdings Company

  • 0 current roles
  • 2 previous roles
  • Served alongside 17 people
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Official record Companies House · updated 11th October 2026

Roles

2 roles across 2 organisations (0 current, 2 previous)

Previous roles (2)

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

People Calvin has served alongside

17 people across 2 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.

Northern Electric PLC 15 people · 1994-present

Northern Powergrid Holdings Company 7 people · 2020-present

Sources

Companies House
Officer appointments and resignations.
Edition
Register edition compiled 11th October 2026
Identity
Records are treated as the same person only where the evidence confirms it. How people are matched

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