# Sonja Marthe-Loeffel

> Swiss commercial-register person record from Swiss Graph (graph.swiss),
> sourced from the Swiss Official Gazette of Commerce (SHAB/SOGC).
> Canonical profile: https://graph.swiss/people/sonja-marthe-loeffel/177849

## Registry facts

- Residence: St-Imier
- Nationality: CH
- Status: active

## Mandates (1)

- Fondation de l'Observatoire astronomique de Mont-Soleil (CHE-109.412.409) — member of the foundation board + treasurer — joint signing authority (any two to sign)

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Machine-readable variant of https://graph.swiss/people/sonja-marthe-loeffel/177849: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt