Simon Fluendy, previously chief financial reporter who was covering telecoms, technology and investigations, left two weeks ago.
A replacement has not yet been appointed. All relevant press releases should be forwarded to the news editor, Andrew Leach.
Jenny Little, enterprise correspondent, and Ben Marlow, European mergers and acquisitions correspondent have also left.
Helen Loveless, formerly personal finance correspondent, has succeeded Little as enterprise correspondent and chief correspondent, Helia Ebrahimi, is currently covering M&A.