In Brief: New Chief for Natwest's Investment Banking Unit

London's National Westminster Bank on Friday named Konrad "Chip" Kruger chief executive of Natwest Markets, its investment banking arm. Mr. Kruger is the former co-head of Greenwich Capital Holdings Inc., a Connecticut investment bank Natwest acquired last year. He will report to Derek Wanless, chief executive of Natwest Bank. The bank named Stephen Harris chief executive of a new global financial markets group for its treasury and foreign exchange operations, dubbed global financial markets.