Roger Federer Rides on an Entrepreneurial High as He Cheerfully Showcases New Invention for His Multibillion-Dollar Company

Roger Federer Rides on an Entrepreneurial High as He Cheerfully Showcases New Invention for His Multibillion-Dollar Company

Roger Federer Showcases Entrepreneurial Success with Latest Invention for His Multibillion-Dollar Company Roger Federer, the Swiss tennis legend, is not…