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The red node is Guillaume. 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

Guillaume Pierre Marie Cassou

Guillaume Pierre Marie Cassou is a trustee of The Ecole Polytechnique Charitable Trust (since 2020) and a director of 1 company. Source: Companies House and Charity Commission records.

Director at Grosvenor International Investments Limited · Chair at The Ecole Polytechnique Charitable Trust

  • 2 current roles
  • 3 previous roles
  • Served alongside 213 people
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Official record Companies House and Charity Commission · updated 11th October 2026

Roles

5 roles across 5 organisations (2 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 (2)

Previous roles (3)

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

People Guillaume has served alongside

213 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.

Kohlberg Kravis Roberts & CO. Partners LLP 192 people · 2013-present

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