Artur Santos has has been appointed as the new CEO of Banco Nacional Ultramarino (BNU), effective from August 1. He succeeds Herculano de Sousa, who is retiring. For the past 11 years, Artur Santos has beenwas the deputy CEO of BNU. Herculano de Sousa will stay oin the Board of BNU as a non-executive director. BNU has 14 branches in Macau and 430 employees. It is a wholly owned subsidiary of Portugal-based Caixa Geral de Depósitos (CGD).