Seth Godin is an Author, Entrepreneur and Most of All, A teacher

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 18 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).

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.

#105 - The Ultimate Sacrifice