Felix R. Ehrat

citizen of Lohn (SH), Zumikon

Commercial register

Topadur Pharma AG

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

since Aug 20, 2026
UZH Foundation

Member of the foundation board · no signing authority · Zürich

since May 26, 2020
Ehrat Advisory

Owner · sole signature · Zug

Owner · sole signature

until Feb 1, 2024
Hyos Invest Holding AG

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

Member of the board of directors · joint signature by two

until Apr 24, 2017
Idorsia Ltd

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

until Jun 21, 2024
Bär & Karrer AG

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

until Jun 6, 2011

Partner · joint signature by two

until Sep 6, 2007
Cominovo Services SA

Member of the board of directors · sole signature · Lugano

until Mar 25, 2011

Member of the board of directors · sole signature

until Jun 1, 2001
Bär & Karrer SA

Chair of the board of directors · joint signature by two · Lugano

until Aug 6, 2008