John Jantsch
Small Business Expert
John Jantsch is an author, speaker, and marketing consultant who specializes in assisting small businesses. He is the author of Duct Tape Marketing, The Referral Engine, and The Commitment Engine.
Small Business Expert
John Jantsch is an author, speaker, and marketing consultant who specializes in assisting small businesses. He is the author of Duct Tape Marketing, The Referral Engine, and The Commitment Engine.
