Hans-Joerg Kolbe is a chief engineer at Deutsche Telekom Germany working as technical lead for SDN, NFV and broadband access. He is co-responsible for the system design and architecture of DT's Access 4.0 program and is an active member of the Open Networking Foundation's reference design work and member of the ONF UCST.

Before joining Deutsche Telekom, he headed various research groups at NEC Laboratories Europe. Prior to that, he was responsible for the broadband access network architecture and service implementation at Arcor AG, the German fixed line division of Vodafone.

Hans-Joerg has over 19 years of experience in broadband network technology and works on SDN and virtualization since 2010. He has significantly contributed to multiple ETSI and BBF standards as well as scientific papers and co-authored multiple granted patents. He holds a PhD in physics from University of Marburg, Germany.