Seth W. Godin, also known as F. X. Nine, is an American author, marketing expert, entrepreneur, and a former dot-com business executive. He is recognized for his contributions to the marketing industry and has authored several best-selling books.

Godin graduated in Computer Science and Philosophy from Tufts University in 1982 and earned his MBA in Marketing from Stanford Business School. He began his career as a brand manager at Spinnaker Software from 1983 to 1986, working with writers like Arthur C. Clarke and Michael Crichton.

In 1995, he founded Yoyodyne Entertainment, a company specializing in interactive marketing. The company was acquired by Yahoo! in 1998, the same year Godin was awarded the Momentum Award for his exceptional contributions to the Internet industry.

Seth Godin is considered one of the leading visionaries in the field of marketing, known for pioneering concepts such as Permission Marketing and Viral Marketing.