John Jantsch is a marketing consultant, award winning social media publisher and best selling author Duct Tape Marketing and The Referral Engine . He is the creator of the Duct Tape Marketing System and Duct Tape Marketing Consulting Network that trains and licenses small business marketing consultants around the world.
John Jantsch is a marketing consultant, award winning social media publisher and best selling author Duct Tape Marketing and The Referral Engine . He is the creator of the Duct Tape Marketing System and Duct Tape Marketing Consulting Network that trains and licenses small business marketing consultants around the world.