We meet the CEO of software firm, Forterro.Dean Forbes twice became homeless as a teenager, then got dropped from a career as a professional footballer. He points to that failure as a key moment in his eventual success, because it made him more determined. Now the business executive has topped a list celebrating influential black Britons.(Picture: Dean Forbes. Credit: Getty Images)Presented by Theo Leggett Produced by Theo Leggett and Sam Clack