John Medamana leads the organization responsible for the technical strategy, design and development of Packet-Optical Network Platforms for AT&T.

John began his AT&T career as a Member of Technical Staff. He has extensive experience in the areas of network architecture, development, testing, and operations management for AT&T’s IP, Optical, and Mobile networks and services. He was a founding member of the team responsible for the creation of AT&T's high-speed packet data service, starting with Frame Relay, followed by ATM, IP, MPLS, and ETHERNET services. John led pioneering work in MPLS, enabling the creation of AT&T’s Network-based enterprise VPN service. He was awarded AT&T’s Strategic Patent Award in 2001 for this work. He is currently working on SDN and virtualization technologies for AT&T infrastructure and services.

John received the “AT&T Fellow” award in 2008.