Dia Simms, driving force behind Sean 'Diddy' Combs' vast empire, reveals how to make it in a man's world

Dia Simms, president of Sean Combs' sprawling business empire, worked her way to the top from executive assistant but says to this day there are times Combs is the only one in the room who does not expect her to fetch coffee. She is on a mission to overcome stereotypes and change conditions for all women in the workplace.