Stephan Spencer is the founder, President & CEO of the highly-respected SEO firm Netconcepts. Clients include Discovery Channel, HSN, AOL, CNET, and SuperPages.com, to name a few. He is the inventor of Netconcepts' automated, pay-for-performance natural search technology platform GravityStream.

Stephan is co-author of The Art of SEO with Rand Fishkin, Eric Enge, and Jessie Stricchiola. It was published by O'Reilly in October 2009. He is a Senior Contributor to Practical Ecommerce and to MarketingProfs.com, a monthly columnist on Search Engine Land, and a regular contributor to Multichannel Merchant magazine. He's also contributed to DM News, Catalog Age, Catalog Success, Building Online Business, Unlimited, and NZ Marketing magazine, among others. He is co-author of the analyst report "The State of Search Engine Marketing 1.0 - New Strategies for Successful Cataloging" published by Catalog Age.

Stephan is a frequent conference speaker on SEO and other online marketing topics for organizations such as the DMA, the AMA, Shop.org, Internet Retailer, SMX, IncisiveMedia (Search Engine Strategies), O'Reilly/TechWeb, PubCon, ECMOD, IQPC and IIR. His hundreds of speaking gigs have taken him around the globe - everywhere from Berlin, London, Toronto, Santiago, and Auckland, to New York, Chicago, San Francisco, Los Angeles, and places in between.

Stephan is an avid blogger. He blogs primarily on his own blogs:

• Stephan Spencer's Scatterings,
• Natural Search Blog,
• BusinessBlogConsulting.com,
• Changes For Good, and
• Google, I Suggest....

He holds an M.S. in Biochemistry from the University of Wisconsin-Madison.