John Jantsch

Founder – Duct Tape Marketing,
Marketing Expert


John Jantsch is an author, speaker, and marketing consultant who specializes in assisting small businesses. He is the best-selling author of Duct Tape Marketing, Duct Tape Selling, The Commitment Engine, The Referral Engine, and SEO for Growth. He is also the creator of the Duct Tape Marketing System and Duct Tape Marketing Consulting Network that trains and licenses small business marketing consu... read more

Growth hacking and marketing

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