Gérard Louis-Dreyfus, French-born American businessman (b. 1932)
Gérard C. Louis-Dreyfus (21 June 1932 – 16 September 2016), also known as William, was a French-American businessman. His net worth was estimated at $3.4 billion by Forbes in 2006. He was the chairman of Louis Dreyfus Energy Services and the great grandson of Léopold Louis-Dreyfus, founder of Louis Dreyfus Group. He was the father of actress Julia Louis-Dreyfus.