Brooklyn Beckham and Nicola Peltz's wedding was featured in magazines and newspapers worldwide. But how much do you know about Beckham's billionaire father-in-law Nelson Peltz? In this video we're looking at how Nelson Peltz became one of the richest men in the United States, founding Trian Fund Management and having a personal net worth of over over $1.6 billion.

From a modest beginning to becoming a legendary activist investor - and making a few enemies along the way, like Proctor and Gamble and Du Pont - this is the story of the secret rise of billionaire Nelson Peltz.