He is the son of Samuel Wainer from Bessarabia. He began working in cinema as a production assistant, assistant director or production director in several films, in- cluding Bye, bye, Brasil (1978), by Carlos Diegues, Eu amo te (1980), by Arnaldo Jabor, Innocence (1983), by Walter Lima Jr. and Opera do malandro (1985), by Ruy Guerra. In 1991, he joined Lumière, and before the distributor, which released over 100 films totaling over 20 million tickets. In 1996, Lumière entered into an agreement with Miramax, Disney's indepen- dent arm, and has since successfully launched in Brazil O paciente inglês (1996). From the end of the 90's, the company started to target the national cinema: ti was co-pro- ducer of Pequeno dicionário amoroso (1996), by Sandra Werneck, and O Trapalhão e a luz azul (1999), by Paulo Aragão; as well as co-distributor of several others, such as Central do Brasil (1998), by Walter Salles. In 2002, the company got to lead the mar- ket share ofnational films (52%). At the end of 2005, Bruno founded the distributor Downtown Filmes, which entered the market with the French documentary A March of the Penguins (2005). Since 2008, Downtown Filmesbegan operating in partnership with other distributors, such as Sony Pictures and Paris Filmes. He is responsible for the distribution of the two largest box offices of national cinema, Osdez mandamentos (2016) and Nada a perder (2018).