Urs Sieber

citizen of Buchegg, Stäfa

Commercial register

SKYSOFT-ATM SA

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

until Jul 4, 2018
SKYGUIDE, Société Anonyme Suisse pour les Services de la Navigation Aérienne civils et militaires

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

until Jul 16, 2015

Member of the board of directors · joint signature by two

until Feb 20, 2015
Flughafen Bern AG

Member of the board of directors · no signing authority · Bern

until Jul 19, 2013
Unilode Aviation Solutions Switzerland AG

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

until Nov 13, 2007

Member of the board of directors · joint signature by two

until Nov 13, 2006