Claude Siegenthaler de Boer
ActiveNationality: Switzerland
Residence: Zürich
Place of origin: Langnau im Emmental
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Current Positions
HEFTI. HESS. MARTIGNONI. Basel AGDeleted
Position: member of the board
Authority: joint signing authority (any two to sign)
HEFTI. HESS. MARTIGNONI. Aarau AGActive
Position: member of the board
Authority: joint signing authority (any two to sign)
HEFTI. HESS. MARTIGNONI. Holding AGActive
Position: member of the board
Authority: joint signing authority (any two to sign)
Ernst Schweizer AGActive
Position: chairperson of the board
Authority: joint signing authority (any two to sign)
Building Information Technology AGActive
Position: member of the board
Authority: individual signing authority
HEFTI. HESS. MARTIGNONI. 4U AGActive
Position: member of the board
Authority: joint signing authority (any two to sign)
HEFTI. HESS. MARTIGNONI. Bern AGActive
Position: member of the board
Authority: joint signing authority (any two to sign)
HEFTI. HESS. MARTIGNONI. St. Gallen AGActive
Position: member of the board
Authority: joint signing authority (any two to sign)
HEFTI. HESS. MARTIGNONI. Zürich AGActive
Position: member of the board
Authority: joint signing authority (any two to sign)
MOOR ELEKTROPLAN AGActive
Position: member of the board
Authority: joint signing authority (any two to sign)
Authentic Development GmbHActive
Position: LLC member and member of the executive board
Authority: individual signing authority
HEFTI. HESS. MARTIGNONI. Zug AGActive
Position: member of the board
Authority: joint signing authority (any two to sign)
Educa Swiss Schweizerische Stiftung für Bildungsförderung und -finanzierungActive
Position: member of the foundation board
Authority: joint signing authority (any two to sign)