The board of directors has provisionally elected Cristiano Corrêa de Barros as new CEO.
The company didn't give a reason for the change.
Waack officially joined as CEO in January after Mathias Becker stood down.
At the same time, de Barros took over as new investor relations director from Pedro Pileggi.
Renova, one of only two publicly-traded renewable developers in Brazil, has a pipeline of over 2GW mostly wind projects in the state of Bahia.
Since
