- M.A. Sinology, Economics and Business of East Asia (RUB university Bochum and Beijing Language Institute)
- Doctorate Dr. rer. pol. (TUC university Chemnitz) on "Internal Auditing in cooperative groups and franchise systems”
- publications and presentations on Fraud, Quality assurance in Internal Auditing, Risk Management, Compliance etc.
- for over 25 years in Internal Auditing with management responsibility
- professional certifications: Certified Internal Auditor (IIA), Certified Fraud Examiner (ACFE), Certified Information Systems Auditor (ISACA), Certified Compliance Officer (TÜV), etc.
- lecturer for Risk Management, Compliance, General Management etc.
- reviewer for two business journals