"You must attend board meetings, you must be reading board papers, asking the right questions and ensure you use the knowledge you have been selected for," he told a bank directors’ symposium organised by the regulator.
"We need to see those skills being used at the banks themselves," he told the forum attended by around 200 chairmen, directors and chief executives of 33 licensed banks.
"We have to admit not all those skills are being used. We want to see them being made use of at the board room."
Cabraal said bank directors should closely monitor the work of their chief executive officers, get involved in preparing strategy and be more aware of their institutions' financial health.
"You should keep your CEOs on their toes, ask the tough and probing questions so they li