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Stephan is the inventor of the pay-for-performance SEO technology platform GravityStream, now part of the Rio SEO toolset.
Stephan's recent SEO clients have included such retail giants as Zappos, Sony Store, Quiksilver, Best Buy Canada, Bed Bath & Beyond, and Chanel.
Stephan is a Senior Contributor to Practical Ecommerce and to MarketingProfs.com, and a columnist for Search Engine Land, Multichannel Merchant, and The Huffington Post. He's also been a contributor to DM News, Catalog Age, Catalog Success, Building Online Business, Unlimited, and NZ Marketing magazine, among others.
Stephan is a frequent conference speaker on SEO and other online marketing topics for the American Marketing Association (AMA), Direct Marketing Association (DMA), Shop.org, Internet Retailer, SMX, IncisiveMedia (Search Engine Strategies), O'Reilly/TechWeb, PubCon, ECMOD, IQPC and IIR. His thousands of speaking gigs have taken him around the globe - everywhere from Berlin, London, Toronto, Santiago, Sydney and Auckland, to New York, Chicago, San Francisco, Los Angeles, and places in between.
Stephan is on the board of Impact Network and on the advisory board of CrowdGather.
He holds an M.S. in Biochemistry from the University of Wisconsin-Madison.