# Doris 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/doris-keller/861730

## Registry facts

- Residence: Freienbach
- Nationality: CH
- Status: active

## Mandates (2)

- Tino Barbisotti Premium Service (CHE-307.216.502) — individual signing authority
- Wings Lernmedien AG (CHE-490.954.973) — joint signing authority (any two to sign)

---

Machine-readable variant of https://graph.swiss/people/doris-keller/861730: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt