John English is a Senior Marketing Manager at NETSCOUT, focusing on NFV/SDN, IoT/DX, Big Data Analytics and 5G. Prior to this, he was Senior Product Line Manager for the Service Provider Business. Before joining NETSCOUT John held product management and marketing positions at Empirix and Tekelec. John has over 25 years of telecom experience covering 4G/3G/2G mobile, cable and fixed line technologies.