Leonard A. Lauder (born March 19, 1933) is an American businessman. He is the chairman emeritus of The Estée Lauder Companies Inc. He was chief executive until 1999. Today Estée Lauder operates several brands in the cosmetics industry including Estée Lauder, Clinique, MAC Cosmetics, Aveda, Bobbi Brown and La Mer. In April 2013, he donated his collection of 78 pieces of Cubist painting, consisting of 33 pieces by Pablo Picasso, 17 by Georges Braque, 14 by Fernand Léger, and 14 by Juan Gris, to the Metropolitan Museum of Art in New York City.