She came up in an era where women in the business were exploited and dominated .
She stayed on top through a combination of tenacity , ruthlessness and total selfishness - much like many of her male counterparts in the business .
Coming up in an era where women in the business were exploited and dominated , she stayed on top through a combination of tenacity , ruthlessness and total selfishness - much like many of her male counterparts in the business .