Caio Feilhaber has joined Petrobras’ Singapore office as crude oil trader. CK Chang has left Singapore-based Asian Clean Fuels Association as executive director while Clarence Woo has joined its communications office. Mr Chang’s successor is expected to be named soon. After more than two years without a chief financial officer, Malaysia’s main power company Tenaga…

Indonesia’s state oil company Pertamina has named former telecoms executive Widya Purnama as its new president, replacing Ariffi Nawawi in a major boardroom and management sweep. Mr Nawawi lasted only 11 months on the job as criticism mounted over Pertamina’s incompetence and alleged corruption over the past year. Four of the company’s five board members…