Seth is an entrepreneur, best-selling author, and speaker. In addition to launching one of the most popular blogs in the world, he has written 19 best-selling books, including The Dip, Linchpin, Purple Cow, Tribes, and What To Do When It's Your Turn (And It's Always Your Turn). His most recent book, This is Marketing, was an instant bestseller in countries around the world. Though renowned for his writing and speaking, Seth also founded two companies, Squidoo and Yoyodyne (acquired by Yahoo!). By focusing on everything from effective marketing and leadership, to the spread of ideas and changing everything, Seth has been able to motivate and inspire countless people around the world. In 2013, Seth was one of just three professionals inducted into the Direct Marketing Hall of Fame. In an astonishing turn of events, in May 2018, he was inducted into the Marketing Hall of Fame as well. He might be the only person in both.