Allegretti, 58, will remain based in Chicago, where he will continue to lead the local office, a role he has had since October 2016. He also will remain leader of the Canada tax practice for Deloitte Touche Tohmatsu. He is also on Deloitte’s board.
Deloitte is the world’s biggest professional services network in both revenue and headcount. Allegretti, who has been with Deloitte 17 years, has held various global and local leadership roles, including previously being chairman and CEO of Deloitte Tax in the U.S.