Maurice Tempelsman is chairman of the board of directors of Lazare Kaplan International Inc., the largest cutter and polisher of “ideal cut” diamonds in the United States. He is also senior partner in the firm of Leon Tempelsman & Son, a company active in mining, investments and business development and minerals trading in Europe, Russia, Africa, Latin America, Canada and the Far East. Mr. Tempelsman has served on several presidential commissions, including the President’s Commission for the Observance of Human Rights.