Petróleo Brasileiro SA (Petrobras) has elected Joaquim Silva  e Luna to the position of chief executive officer Apr. 16. The board of directors  also approved the appointments of Rodrigo Araujo Alves as chief financial  officer and chief investor relations officer; Fernando Assumpção Borges as chief  exploration and production officer; João Henrique Rittershaussen as chief production  development officer; and the reappointment of Rodrigo Costa Lima e Silva as chief  refining and natural gas officer, among others.  
Joaquim Silva e Luna previously served as the Brazilian general  director of Itaipu Binacional from February 2019 to April 2021. 
Rodrigo Araujo Alves has worked at Petrobras since 2007. He has  served as executive manager of accounting and tax since 2017. 
Fernando Assumpção Borges has served at Petrobras for 38  years. Since April 2016, he has served as an executive manager, having  initially held the Libra executive management position and, as of September  2019, he became external relations executive manager. From April 2016 to March  2020 he served as chief officer at the Brazilian Institute of Oil, Gas and  Biofuels, and has served as chief officer of the Brazilian Association of Oil  and Gas Exploration and Production Companies (ABEP), by indication of Petrobras,  since April 2016. 
João Henrique has served at Petrobras for 34 years, holding managerial  positions in the E&P and procurement segments. In November 2018 he became surface  systems, refining, gas, and energy executive manager.