Profil
Stephan Witteler has been Chairman of the Supervisory Board for O3SIS AG since 2007.
He is Equity Partner of BEITEN BURKHARDT and Vice Chairman of the Legal Council at BITKOM (German Association for Information Technology, Telecommunications, and New Media).
He was a Member of the Executive Board at T-Systems International GmbH.
He has experience in the management and governance of the IT and telecommunication industry.
Dr. Witteler holds a PhD.
Aktive Positionen von Stephan Witteler
| Unternehmen | Position | Beginn |
|---|---|---|
O3SIS AG
 O3SIS AG Information Technology ServicesTechnology Services O3SIS IT AG provides software solutions providing personal mobile data applications and enabling technology to 1st tier mobile network operators. It's managed service provides for a complete outsourcing of mobile data applications including hosting, operations and maintenance and customer care. It's flagship product 'Unified Mobile Directory (UMD)' is a high-end address book, synchronization and application integration platform. The company was founded in 1996 and is headquartered in Overath, Germany. | Vorsitzender | - |
Ehemalige bekannte Positionen von Stephan Witteler
| Unternehmen | Position | Ende |
|---|---|---|
T-Systems International GmbH
 T-Systems International GmbH Information Technology ServicesTechnology Services T-Systems International GmbH engages in the development, implementation, operation, and marketing of client- and industry-specific solutions in the information processing and telecommunications sectors. These include security, data processing, information management, training, and consulting services. The company was founded on August 30, 2004 and is headquartered in Frankfurt, Germany. | Corporate Officer/Principal | - |
Erfahrungen
Besetzte Positionen
Aktive
Inaktive
Börsennotierte Unternehmen
Private Unternehmen
Beziehungen
Beziehungen ersten Grades
Unternehmen ersten Grades
Herr
Frau
Aufsichtsräte
Führungskräfte
Unternehmensverbindungen
| Private Unternehmen | 2 |
|---|---|
O3SIS AG
O3SIS AG Information Technology ServicesTechnology Services O3SIS IT AG provides software solutions providing personal mobile data applications and enabling technology to 1st tier mobile network operators. It's managed service provides for a complete outsourcing of mobile data applications including hosting, operations and maintenance and customer care. It's flagship product 'Unified Mobile Directory (UMD)' is a high-end address book, synchronization and application integration platform. The company was founded in 1996 and is headquartered in Overath, Germany. | Technology Services |
T-Systems International GmbH
T-Systems International GmbH Information Technology ServicesTechnology Services T-Systems International GmbH engages in the development, implementation, operation, and marketing of client- and industry-specific solutions in the information processing and telecommunications sectors. These include security, data processing, information management, training, and consulting services. The company was founded on August 30, 2004 and is headquartered in Frankfurt, Germany. | Technology Services |
