Anders Ryde is expert in network and service architecture within Ericsson AB in Sweden. He joined Ericsson in 1982 and has a background in network and service architecture development for multimedia enabled telecommunication, targeting both enterprise and residential users. He has been working with the evolution of IMS and IMS based services for more than a decade and is currently engaged in the ongoing evolution of mobile telephony service and networks to all IP and IMS. He holds a M.Sc. in electrical engineering from the Royal Institute of Technology, Stockholm.