Stephan Spencer is an internationally-recognized SEO expert, consultant and bestselling author. He is the co-author of The Art of SEO, author of Google Power Search and co-author of Social eCommerce. The Art of SEO is considered a leading educational text on search engine optimization. Stephan founded Netconcepts in 1995 and grew it into a multi-national SEO agency before selling it in 2010 to paid and organic search software services agency Covario. Stephan's clients post-acquisition have included Zappos, Sony Store, Quiksilver, Best Buy Canada, Bed Bath & Beyond and Chanel. Stephan is the creator of Traffic Control, a seminar on SEO, and the host of two popular podcasts Marketing Speak and The Optimized Geek.