Petrobras CEO welcomed U.S. Vice-President and diplomats to the company's Research Center (Cenpes) in Rio de Janeiro. The company's CEO, Maria das Graças Silva Foster, welcomed the U.S. vice-president, Joe Biden, along with the US ambassador to Brazil, Thomas Shannon, and the US consul general in Rio de Janeiro, John Creamer. The group held a 30-minute closed meeting, which was also attended by Cenpes executive manager Marcos Assayag, advisor to the CEO André Garcez Ghirardi and Brazilian Foreign Affairs Ministry (Itamaraty) representative William Santos.