We are the heart of the business.

Team members:

Peter Wiesenberger

managing director

Fon: +41 81 750 36 54
p.wiesenberger@coyarn.ch

German, English

Judith Spescha

head of commercial
department

Fon: +41 81 750 36 55
j.spescha@coyarn.ch

German, Italian, English

Guido Baumann

production management
quality assurance
research

Fon: +41 81 750 36 57
g.baumann@coyarn.ch

German

Robert Potzinger

production management
personnel management
technology

Fon: +41 81 750 36 56
r.potzinger@coyarn.ch

German

Teresa Macagnino

Vekaufsinnendienst

Fon: +41 81 750 36 50
t.macagnino@coyarn.ch

German, Italian, English