Alida Clemens – Managerin – Deutsche Telekom AG | LinkedIn
iBASIS Accelerates Growth With JC Geha as Chief Operating Officer | Business Wire
MEF18 - Jean-Claude Geha, DT – Pan-Net & Transforming to Become Cloud-Native - YouTube
Hrvatski Telekom selects Ericsson as its partner in the construction and maintenance of telecommunications infrastructure | EuropaWire.eu | The European Union's press release distribution & newswire service
Wolfgang Engler – Pensioner – home | LinkedIn
Deutsche Telekom Europe Holding GmbH, Bonn
MEF appoints new board members to lead move to MEF 3.0
Jean-Claude Geha replaces Fredrik Jejdling as Ericsson's head of sub-Saharan Africa | aptantech
MEF18: Set to Showcase Innovations and Disruptions around MEF 3.0 Framework - TelecomDrive
Omar TAZI – SVP Group Innovation, Products & Customer Experience – Deutsche Telekom | LinkedIn