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Internat. Management
Board of Management
T-Systems International GmbH
Reinhard Clemens
Member of the Board of Management at Deutsche Telekom AG responsible for
T-Systems
Chief Executive Officer T-Systems
Dr. Ferri Abolhassan
Systems Integration
Olaf Heyden
ICT Operations
Joachim A. Langmack
Corporate Customers
Dr. Matthias Schuster
Human Resources
Klaus Werner
Finance & Controlling
Supervisory Board
T-Systems
International GmbH
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