Siegfried Alberton
citizen of Riviera, Riviera
Commercial register
Member of the board of directors · no signing authority · Poschiavo
since Sep 1, 2025Member of the board of directors · joint signature by two · Caslano
since Jun 22, 2020Managing director · Liquidator · sole signature · Lugano
Managing director · joint signature by two
until Nov 18, 2024Chair of the board of directors · joint signature by two · Monteceneri
Chair of the board of directors · sole signature · Lugano
until May 15, 2023Member of the board of directors · joint signature by two
until Jan 10, 2018Member of the board of directors · joint signature by two · Chiasso
until Aug 27, 2019