Crain's Chicago BusinessBig Four glass ceiling breached: Deloitte makes Cathy Engelbert CEOCrain's Chicago Business(Bloomberg) — Deloitte LLP named Cathy Engelbert to be the first woman leading a Big Four consulting-and-accounting firm in the U.S. as clients confront tighter … [Read more...] about Big Four glass ceiling breached: Deloitte makes Cathy Engelbert CEO – Crain’s Chicago Business