Marty Martin has been working with WordPress since it was forked. He is widely considered an expert on the topic of WordPress SEO (beyond plugins) and has consulted with the smallest of businesses to Global 50 international corporations on their WordPress installations and custom use scenarios.

WordCamp Raleigh 2013 Session: Duplicated & unique content to rank your WordPress pages with Google
WordCamp Raleigh 2013 Track: Power Users