# Marcel Keller

> 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/marcel-keller/722970

## Registry facts

- Residence: Wallisellen
- Nationality: CH
- Status: active

## Mandates (4)

- GRU GRISCH HOLDING AG (CHE-301.830.543) — member of the board — individual signing authority
- SONASUMA AG (CHE-228.895.428) — member of the board — individual signing authority
- Invenimus Medizinische Laboratorien AG (CHE-146.126.994) — chairperson of the board — joint signing authority (any two to sign)
- Home Sampling GmbH (CHE-455.646.277) — member of the management board — individual signing authority

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Machine-readable variant of https://graph.swiss/people/marcel-keller/722970: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt