Credit Suisse has appointmented Kieron Nutbrown to oversee FX overlay for its asset management business. He will report to Paul Griffiths, head of Fixed Income for Asset Management. Mr Nutbrown joins as a managing director in the Fixed Income team from Black River Asset Management where he was a managing director responsible for managing the Black River Global Macro fund with over $100 million in assets. Prior to this, Mr Nutbrown worked as head of tactical asset allocation at AXA Investment Managers.