Reto Chiogna

citizen of Zürich, Zollikon

Commercial register

Boksberger Consulting AG

Auditor · Zürich

until Nov 28, 2008
Trevin AG Treuhand

Auditor · Zürich

until Nov 28, 2008

Member of the board of directors · sole signature

until Dec 15, 1998
Trevin AG Audit

Auditor · Zürich

until Nov 18, 2008
Cobefo AG

Member of the board of directors · sole signature · Buochs

until Nov 12, 2004
Brocki-Land AG

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

until May 2, 1995
HAMA Technics AG

Member of the board of directors · sole signature · Zürich

until Oct 26, 1993