Complex sentence: Joseph Terrence Lanni (March 14,1943--July 14,2011) was the former Chairman of the Board and Chief Executive Officer of MGM Mirage, one of the world's leading hotel and gaming companies headquartered in Paradise, Nevada.
Split into simpler sentences: Joseph Terrence Lanni (March 14,1943--July 14,2011) was an American casino executive. He served as the former Chairman of the Board and Chief Executive Officer of MGM Mirage, one of the world's leading hotel and gaming companies headquartered in Paradise, Nevada.