Mary Kay Ash started a company to empower working women. Chief People Officer Melinda Foster Sellers tells Newsweek why that hasn't changed.

DALLAS, Texas (CNN) --Mary Kay Ash, the founder of the popular, pink-themed cosmetics company, died Thursday of natural causes, Mary Kay Inc. said in a statement. Various media reports gave her ...

Simons, Robert. "Mary Kay Cosmetics: Sales Force Incentives (A) and (B)." Harvard Business School Teaching Note 191-198, April 1991. (Revised March 2017.) ...