Sabine Keller-Busse

citizen of St. Gallen, Zumikon

Commercial register

UBS Optimus Foundation

Chair of the foundation board · joint signature by two · Basel

since Nov 6, 2025

Chair of the foundation board · joint signature by two

until Oct 31, 2025
Pensionskasse der UBS

Chair of the foundation board · joint signature by two · Zürich

since Jul 10, 2023

Member of the foundation board · no signing authority

until Jul 27, 2021
Swiss Entrepreneurs Foundation

Member of the foundation board · joint signature by two · Bern

since Nov 3, 2022
Zürich Versicherungs-Gesellschaft AG

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

since Apr 21, 2021
Zurich Insurance Group AG

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

since Apr 13, 2021
UBS Foundation of Economics in Society

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

since Oct 13, 2020
USZ Foundation

Member of the foundation board · no signing authority · Zürich

since Mar 14, 2017
UBS Group AG

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

joint signature by two

until Apr 10, 2026
UBS Switzerland AG

Chair of the executive board · joint signature by two · Zürich

joint signature by two

until Jun 9, 2026