Wilfried Kallenberg active positions
| Companies | Position | Start | End |
|---|---|---|---|
nacamar GmbH
 nacamar GmbH Specialty TelecommunicationsCommunications Part of ecotel communication ag, nacamar GmbH is a German company that provides telecommunication services. The company is based in Dusseldorf, Germany. The CEOs are Benjamin Buchholz, Sebastian A. Weiß, Wilfried Kallenberg. The company was founded in 1996. | Chief Executive Officer | 2014-06-30 | - |
Career history of Wilfried Kallenberg
Former positions of Wilfried Kallenberg
| Companies | Position | Start | End |
|---|---|---|---|
| ECOTEL COMMUNICATION AG | Chief Tech/Sci/R&D Officer | 2007-12-31 | 2023-10-14 |
Statistics
International
| Germany | 3 |
Operational
| Chief Tech/Sci/R&D Officer | 1 |
| Chief Executive Officer | 1 |
Sectoral
| Communications | 3 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Listed companies | 1 |
|---|---|
| ECOTEL COMMUNICATION AG | Communications |
| Private companies | 1 |
|---|---|
nacamar GmbH
nacamar GmbH Specialty TelecommunicationsCommunications Part of ecotel communication ag, nacamar GmbH is a German company that provides telecommunication services. The company is based in Dusseldorf, Germany. The CEOs are Benjamin Buchholz, Sebastian A. Weiß, Wilfried Kallenberg. The company was founded in 1996. | Communications |
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