Eric Enge is the President of Stone Temple Consulting, an SEO consulting firm with offices in Boston and Northern California. Eric is a regular speaker at search industry conferences, such as Search Engine Strategies and Search Marketing Expo. Eric also makes regular contributions on the topic of SEO to Search Engine Land and Search Engine Watch, SEOmoz, and his own blogs.
Stephan M. Spencer, M.Sc., is Founder and 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 also 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). He is 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 an avid blogger, blogging on the Searchlight Blog (part of the CNET Blog Network), the Shop.org Blog, Natural Search Blog, BusinessBlogConsulting.com, MarketingProfs Daily Fix, Changes For Good, Google, I Suggest... and of course his own personal blog Stephan Spencer's Scatterings.