“Uli das Messer”. Ulrich Körner, who takes office this week, is the second managing director of Credit Suisse to be described as a “knife”. John Mack, joint manager of the bank with Oswald Grübel between 2002 and 2004, was also known as “Mack The Knife” for his reputation as a chief restructuring officer, not afraid to cut staff to reduce costs.