Communist Party of Brazil
Lindbergh was elect Federal Deputy for the Communist Party of Brazil in the 1994 elections, being the left-wing candidate most voted. In 1996, he was elect National President of the Union of the Socialist Youth. Adhered to the trotskyism in 1997 and joined the Unified Workers' Socialist Party (PSTU). In the Chamber of Deputies, opposed the government of Fernando Henrique Cardoso (PSDB).