Peyton Manning's face is known around the world. The Denver Broncos quarterback is one of the biggest names in NFL and a key part of the IMG empire. Andy Lyons/Getty Images
Actor and singer Justin Timberlake is one of IMG's most high-profile clients. Timberlake is a keen golfer and used to host his own tournament. Christopher Polk/Getty Images
Gisele Bundchen is just one of a number of supermodels which are represented by IMG. Kate Moss is another client. Carlos Alarez/Getty Images
Six-time grand slam winner and world No.2 Novak Djokovic is just one of host of sporting stars represented by IMG. The Serb appointed Boris Becker as his head coach in December 2013.
Miranda Kerr, who works with IMG, is one of the most recognizable models in the world. She was the first Australian model ever to appear in a Victoria's Secret runway show . Adrian Sanche/AFP/Getty Images
Singer Taylor swift signed a deal with IMG in April 2012 which saw the company take care of worldwide marketing, endorsements, tour sponsorships and licensing.
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Lindsey Vonn, who is currently dating former IMG client Tiger Woods, hopes to be going for Olympic gold in the skiing events at Sochi 2014. Stanko Gruden/Agence Zoom/Getty Images
Tennis star Maria Sharapova is one of the most marketable players in the world. She is one of the highest earning female athletes and is the third highest earner in women's tennis behind Serena and Venus Williams. Angela Weiss/Getty Images for Porsche