Roelant L. M. Siemer

nationality: Netherlands, Feusisberg

Commercial register

sole signature · Zollikon

since May 27, 2026

Member of the board of directors · sole signature · Feusisberg

since Aug 4, 2016

Member of the board of directors · sole signature · Zürich

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

until Dec 4, 2025

Chair of the executive board · sole signature · Zürich

until Sep 8, 2025

Chair of the board of directors · sole signature · Zürich

until Aug 6, 2025

Member of the board of directors · sole signature · Zürich

until Jul 2, 2025

Member of the board of directors · sole signature · Feusisberg

until Jun 25, 2025

Managing director · sole signature · Zürich

until Jun 24, 2025

Managing director · sole signature · Zürich

until Jun 24, 2025

Member of the board of directors · sole signature · Zürich

until Oct 25, 2024

Member of the board of directors · sole signature · Wollerau

until Jun 28, 2018

Chair of the executive board · sole signature · Freienbach

until Mar 21, 2018

Chair of the board of directors · sole signature · Zürich

until Feb 29, 2016

Managing director · sole signature · Zürich

until Oct 1, 2014