Jack Canfield (born August 19, 1944) is an American author and motivational speaker. 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 Switzer The Success Principles: How to Get From Where You Are to Where You Want to Be. Source: Wikipedia (en)