is a highly experienced expert in telecommunications technology and regulation. After working as deputy Technical Director of the British regulatory authority Oftel, as an international consultant John has advised the European Commission, governments and regulators, operators, banks, law firms and others all over the world, on a wide range of telecoms regulatory issues and has drafted various regulations for different countries as well as many ETSI standards. He currently specialises in VoIP and NGNs, interconnection, number plans and number portability and quality of service, and chairs an ECC group of regulators on these subjects.