Carl S. Allegretti has been promoted to chairman and chief executive of Deloitte Tax LLP. Allegretti succeeds Chet Wood, who led Deloitte Tax since 2003 and will be managing partner of markets and offerings of Deloitte LLP. Allegretti had been the chief clients and markets officer for Deloitte Tax and Deloitte Touche Tohmatsu Ltd. as well as serving on various boards for the accounting firm. His experience includes executive positions with public and private companies worldwide. From 2004 to 2009, Allegretti was the Midwest regional managing partner for Deloitte Tax. He received a bachelor's degree from Butler University in Indiana.