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Jack Canfield (born August 19, 1944) is an American author, motivational speaker, seminar leader, corporate trainer, and entrepreneur. He is the co-author of the Chicken Soup for the Soul series, which has more than 250 titles and 500 million copies in print in over 40 languages. In 2005 Canfield co-authored with Janet Switcher The Success Principles: How to Get From Where you are to Where You Want to Be.