Fmr. Heavyweight champ Wladimir Klitschko talks business and his new book
Wladimir Klitscho is one of the greatest heavyweight fighters of his time. Recently retired, he holds the record for the highest average of title fight wins and beaten opponents in boxing history. He also holds a PhD in Sports Science and is the author of the new book, 'Challenge Management: What Managers Can Learn from the Top Athlete.'
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