Simons, Robert. "Mary Kay Cosmetics: Sales Force Incentives (A) and (B)." Harvard Business School Teaching Note 191-198, April 1991. (Revised March 2017.) ...
Kotter, John P., and Andrew P. Burtis. "Gloria Hilliard Mayfield at Mary Kay Cosmetics, Inc." Harvard Business School Case 494-016, December 1993. (Revised June 1994.) ...
Mary Kay has partnered with The Nature Conservancy (TNC) to tackle ocean health and coral reef awareness the world over.