Complex sentence: The series is primarily written by Chris Brancato and directed by Brazilian filmmaker José Padilha, who directed the critically and commercially successful "Elite Squad" (2007), before directing in 2010, which became the highest grossing film ever in Brazil.
Split into simpler sentences: The series is primarily written by Chris Brancato, and directed by Brazilian filmmaker José Padilha. Padilha directed the critically and commercially successful "Elite Squad" in 2007, before directing in 2010, which became the highest grossing film ever in Brazil.