Joaquim Silva e Luna, a retired Brazilian Army General and former defence minister, has officially taken over on Monday as chief executive of state-controlled oil company Petrobras.

The leadership change takes place exactly two months after Brazilian President Jair Bolsonaro unveiled plans to replace former Petrobras boss Roberto Castello Branco over a clash on the company’s fuel-pricing policy.

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In a ceremony at Petrobras’ headquarters in Rio de Janeiro, Silva e Luna became the 39th president in the company’s 68-year-old history and the first military man to take the reins since 1989.

In a brief speech, Silva e Luna highlighted the company’s achievements over the past few years and said he is willing to “listen more and talk less".

Four new directors were also appointed in the ceremony, including Fernando Assumpcao Borges as exploration and production director, and Joao Henrique Rittershaussen as production development director.