Bill Ackman, chief executive officer and portfolio manager at Pershing by Reuters January 24, 2024 By: Reuters January 24, 2024 2 Bill Ackman, chief executive officer and portfolio manager at Pershing Square Capital Management, speaks during the SALT conference in Las Vegas, Nevada, U.S. May 18, 2017. REUTERS/Richard Brian Share 0 FacebookTwitterPinterestEmail Reuters