Deon Gouws joined IO Investors, London, as chief investment officer, and Danny Vassiliades was named business development director. Both are new positions. Mr. Gouws had been head of research at Old Mutual PLC, London; information on any plans to replace him wasn't available at press time. Mr. Vassiliades was lead consultant at Psolve, a London consulting firm; he hasn't been replaced there yet. IO Investors is the money management unit of South African financial services group Sanlam.