Ernst Kellenberger
ActiveNationality: Switzerland
Residence: Herisau
Place of origin: Walzenhausen
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Current Positions
Gabreta AG.Deleted
Position: president
Authority: joint signing authority (any two to sign)
ATAG Ernst & Young Wirtschaftsprüfung AGDeleted
Position: N/A
Authority: joint signing authority, restricted to the branch office (any two to sign)
KETAG Treuhand GmbHActive
Position: LLC member and member of the management board
Authority: individual signing authority