updates or ask me a question. For my complete profile and other socials media, see the Dave Chaffey profile page on Smart Insights. Dave is a keynote speaker, trainer and consultant who is author of 5 bestselling books on digital marketing consisting of Digital Marketing Excellence and Digital Marketing: Strategy, Application and Practice. In 2004 he was identified by the Chartered Institute of Marketing as one of 50 marketing’gurus’around the world who have assisted shape thefuture of marketing.