Offices
DOOR3 opened its Zurich, Switzerland office in 2022 to better support its international customers in EMEA. Headed by Principal Consultant Stefan Berreth, we bring our capacity to de-risk complex software projects to customers in the region, prioritizing personal connections and local partnerships.
Principal Consultant
As a Principal Consultant based in Zurich, Switzerland, Stefan is responsible for managing accounts in both North America and EMEA. He brings 25 years of international experience in the software industry, ranging from technical account management to IT consulting to interaction design.
Stefan has overseen software pre-sales and practice management, while working in technical account and customer success roles with U.S. companies operating globally in European, Middle Eastern, and Asian markets.
In his career, he has worked in the U.S., France, The Netherlands, Germany, and Switzerland. A Swiss national, Stefan speaks German, English, Dutch, and French.