Biographie de l'auteur
One of the world's most widely known business speakers and a leading authority on the development of human potential and personal effectiveness, Brian Tracy addresses more than 250,000 people each year in corporations large and small, all over the world, on the subjects of strategy, management, personnel selection, hiring, firing, and motivating people. He has worked in 22 different businesses, often starting at the bottom and moving up to the executive suite. He is the founder of Brian Tracy International and is the author of numerous bestselling books and has produced more than 300 audio and video programs.
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