Kevin Lee is CEO and Co-Founder of Didit, a leading digital advertising agency at the forefront of search engine marketing and targeted display media buys. A founding board member of SEMPO (the Search Engine Marketing Professional Organization), Kevin plays a pivotal role in developing SEMPO's benchmark research. Kevin serves as a leading search marketing and digital advertising authority to both key online advertising analysts in the financial sector, and to the national business press. Regularly quoted in publications including the Wall Street Journal, BusinessWeek, The New York Times and USA Today, Kevin has spoken about online advertising to hundreds of audiences nationwide. Additionally, Kevin is the author of several books on Search Marketing , including Search Engine Advertising, (New Riders Press, 2009, with Catherine Seda), The Truth About Pay-Per-Click Search Advertising, (FT Press, 2009), and The Eyes Have It: How to Market in an Age of Divergent Consumers, Media Chaos and Advertising Anarchy, (Easton Studio Press, 2007, with Steve Baldwin). Kevin sits on the Search Council for the Association for Interactive Marketing and the IAB Search Committee. Follow him on Twitter at www.twitter.com/Kevin_Lee_QED.