Noman Muhammad works at Nokia Siemens Networks as a Solutions Manager for their Customer and Market Organisation in the UK. He works closely with service providers on IP Multimedia Subsystems (IMS), fixed mobile convergence, mobile packet core and value-added services. Noman has a Masters degree in Telecommunications Engineering (Networking) and a first degree in Electronics and Communications Engineering. His 10-year career working in the telecoms and Internet industries has included positions in services product development, end-to-end network planning, mobile services development and web solutions development. Christian Saxtoft currently works as a Senior Process Architect in Nokia Siemens? Networks' SW Business Development and Strategy group. He obtained a Ph.D. with a dissertation titled 'Telecommunications Network Architectures' as well as an MBA in Strategic Business Planning. During his 15-year career in the telecoms industry, Christian has held various R & D, marketing, sales and management positions at British Telecom, Alcatel, Tellabs and Nokia. His research interests include operator processes, strategic planning and convergence, and some of his work has featured in recent telecoms white papers. Davide Chiavelli works in the Consulting & System Integration group of Nokia Siemens Networks as a Product Manager for their Service Optimisation / E2E Consultancy. He has a 'Laurea in Ingegneria' degree from the Politecnico Milano in Italy. Davide has worked in the telecoms industry for more than 12 years; first in R&D planning for the Telecom Italia Group, and later at Nokia in Senior Network Planning, Programme Management and Product Business Management roles. Davide's main interests include service optimisation, E2E and the translation of technical problems into their financial equivalents.