John Jantsch

John Jantsch is the founder of Duct Tape Marketing and the creator of the Marketing Operating System — a complete marketing framework built specifically for founder-led businesses. Over 30 years, he has advised thousands of small and mid-sized companies and built a methodology now licensed to consultants and fractional CMOs in dozens of countries.

He is the author of six books including Duct Tape Marketing, The Referral Engine, Duct Tape Selling, The Self-Reliant Entrepreneur, and The Ultimate Marketing Engine. His podcast, the Duct Tape Marketing Podcast, has run for more than 20 years and consistently ranks among the top marketing shows for business owners.

John has spoken at SXSW and dozens of marketing and entrepreneurship conferences worldwide. He has been cited in the Wall Street Journal, New York Times, and Harvard Business Review, and named a top marketing influencer by Forbes and Entrepreneur Magazine.