Erwin Koller

Erwin Koller is currently serving as a Verwaltungsrat and member of the Prüf- und Risikoausschuss at Tellco AG. With a background in Wirtschaftsprüfung & Wirtschaftsberatung, Erwin Koller also holds positions as Verwaltungsrat at Bank Avera and as Inhaber at their own company. Prior to this, Erwin Koller worked as a Director at PwC Zürich.