Stephan Spencer is an SEO expert, bestselling author, biohacker, podcaster, and consultant. He has 3 books published by O’Reilly: The Art of SEO, Social eCommerce, & Google Power Search. He founded the SEO agency Netconcepts, acquired in 2010 and now part of a multi-billion dollar ad agency conglomerate. He's helped optimize the websites of some of the biggest brands in the world, including Chanel, Volvo, Sony, and Zappos. Stephan is a contributor to Harvard Business Review and AdWeek among others, and the host of two popular podcast shows, Get Yourself Optimized and Marketing Speak.