Stephan is an internationally recognized SEO expert and bestselling author. He is the co-author of The Art of SEO, author of Google Power Search and co-author of Social eCommerce, all published by O’Reilly. Stephan founded Netconcepts in 1995 and grew it into a multi-national SEO agency before selling it in 2010 to Covario. He now works as a sought-after SEO and digital strategy consultant. His past clients include Zappos, Sony Store, Quiksilver, and Chanel. Stephan is the host of two podcasts, The Optimized Geek and Marketing Speak.