Stefan Wittjen


Managing Director at
Roever Broenner Susat Mazars Consulting
• Internal audit
• IT audit and consulting
• Security and privacy

Vice president responsible for finance and membership of ISACA Germany Chapter

Vice president of
Lions Club Berlin-Preussen von Humboldt

Treasurer of Independent e.V. Berlin
for street & sportswork

Personal blog for IT-Compliance wittjen.org

Growing up in West-Berlin in times of cold war, visiting the John-F.-Kennedy-School and studying at the Freie Universität Berlin he still enjoys living in this exiting multicultural city

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