# Martin Sack

> 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/martin-sack/1235734

## Registry facts

- Residence: Zürich
- Nationality: DE
- Status: active

## Mandates (3)

- Genossenschaft Polybuchhandlung (CHE-105.851.394) — member of the board — joint signing authority (any two to sign) (company no longer active)
- Stiftung KOSTA (CHE-113.775.200) — member of the foundation board — without signing authority
- ETH Store Genossenschaft (CHE-293.909.353) — member of the board — joint signing authority (any two to sign) (company no longer active)

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Machine-readable variant of https://graph.swiss/people/martin-sack/1235734: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt