Andy Sernovitz teaches word of mouth marketing.  He's the leader of the word of mouth movement, which teaches companies to earn the respect and recommendation of their customers. He's passionate about marketing ethics and travels the country teaching companies how to be nicer to people. He runs SocialMedia.org, the community for social media leaders at the world's greatest brands, and WordofMouth.org, where marketers and entrepreneurs learn to be great at word of mouth marketing. Andy taught word of mouth marketing at Northwestern University and internet entrepreneurship at the Wharton School of Business, ran a business incubator, and started half a dozen companies. He created the Word of Mouth Marketing Association and the Association for Interactive Marketing. You can read his fantastic blog "Damn, I Wish I'd Thought of That!" at  damniwish.com.