But today, Financial Mail can reveal the pivotal role played by Tina Green in the business affairs of her husband, maverick entrepreneur Philip Green. Yes, Tina stays in the background. And yes, the empire embracing Bhs, Burton, Top Shop, Miss Selfridge and Dorothy Perkins is always seen as the business baby of the irascible Philip. But Tina - full name Cristina and his wife of 13 years - has played a key part in his business renaissance since he quit clothing group Amber Day in 1992, the last time he ran a stock market company.