Doris Hongler-Ruckstuhl

citizen of Zürich, Volketswil

Commercial register

Ernst Ruckstuhl Holding AG

Member of the board of directors · joint signature by two · Zürich

since Oct 23, 2025
Fritz Matter Immobilien AG

Member of the board of directors · no signing authority · Affoltern am Albis

since Apr 10, 2019
Frimag AG

Chair of the board of directors · sole signature · Zürich

Member of the board of directors · no signing authority

until Jan 23, 2026