Dr Dean Anthony Gratton is a bestselling author and columnist. Dean has worked extensively within the wireless communications R&D industry and has an accomplished career in software engineering. He was an Editor of the Specification of the Bluetooth System: Profiles, v1.1 and participated in defining the initial Bluetooth Personal Area Networking profiles. He was also active in the NFC technology and marketing committees. Dean is a contributor to several industry periodicals, where he has written many contentious articles sharing his thoughts and challenges on wireless industry news, opinions and gossip. Dean has become an influential social media persona (as @grattonboy) and has been listed in the 50 “Top Dogs” of Twitter. He is also listed as one of the 'Top Marketing Book Authors on Twitter' in Social Media Marketing Magazine. Dean holds a B.Sc. (Hons.) Psychology and a Doctorate in Telecommunications.