Stephan M. Spencer, M.Sc., is president of Netconcepts, a leading natural search marketing firm. Clients include Home Shopping Network, AOL, Verizon SuperPages.com, Discovery Channel, and REI, to name a few. 

Stephan is an author of the upcoming O'Reilly book "The Art of SEO" with co-authors Rand Fishkin and Jessie Stricchiola, due out in 2009. Stephan is also a Senior Contributor to MarketingProfs.com and to Practical Ecommerce, a monthly columnist on Search Engine Land, and he's contributed to Multichannel Merchant, 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 speaker at Internet conferences around the globe (including Berlin, London, Toronto, Santiago, Auckland, New York, Chicago, San Francisco, Los Angeles, and places in between) for organizations such as the DMA, the AMA, Shop.org, Internet Retailer, SMX, IncisiveMedia (Search Engine Strategies), IQPC and IIR. 

Stephan is an avid blogger. He blogs primarily on his own blog, . But he also blogs on the the , the , , , , , and .