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.
Read more about John Jantsch: Early Career, Reception, Bibliography
Famous quotes containing the word john:
“This is my commandment, that ye love one another.”
—Bible: New Testament Jesus, in John 15:12.