John Jantsch is an entrepreneur, a writer, speaker and marketer, who specializes in assisting small businesses and startups on their way to success. He is the author behind Duct Tape Marketing, The Referral Engine and The Commitment Engine. In his inspirational TEDxKC Talk, he helps us to rethink commitment and gives the answer to one very interesting question: Why some not that successful entrepreneurs feel completely fulfilled and others, who have achieved success, feel like complete failures?
