Alan Clapton was awarded a BSc in Electrical Engineering from the University of London in 1972 and has since worked in several different roles within BT. From 1989 to 1999 he worked in the cellular systems unit, leading a team developing mobile telecommunication network services. The team provided major technical resource and development for the network services and standard development within SMG and UMTS. Alan Clapton then led a team developing network service and application areas including, UMTS and Advanced IP, GSM, GPRS, IN, radio, and 3G standardisation and advanced solution trials. He then managed the technology strategy development within mobility and network services before starting in his current role. He is now leading a design team within BT Wireless responsible for developing the mobile systems for future development. The main activity is in the design and development of the 'all IP' solution for 3G in both network and service platforms. BT Wireless is an international leader in mobile communications. It is responsible for the development of all BT's global mobile services and direct in-country operations, as well as for BT's move into broadband mobile networks through the introduction of GPRS and 3G services globally.