Having been involved in politics since 1972, Macrus has spent his political career representing São Paulo, having served as state representative in the lower house of the national legislature from 1975 to 2007 and the state legislature from 2007 to 2011 and since 2012.

[4] In May 2010 Macris voted in favour of the Ficha Limpa or "Clean Record Act" which barred politicians who had been impeached from holding office.

[5] Macris voted in favor of the impeachment motion of then-president Dilma Rousseff.

[6] He voted in favor raising the spending ceiling of Brazil's government and the 2017 Brazilian labor reforms[7] Macris voted in favor of a similar corruption investigation into Rousseff's successor Michel Temer.

[8] In November 2016, Macris opposed "caixa 2" amnesty bill,[9] along with fellow federal deputies Onyx Lorenzoni,[9] Alessandro Molon,[10] Fernando Francischini,[11] Carlos Sampaio,[11] Joaquim Passarinho,[11] and Senators Alvaro Dias[12] and Ana Amélia Lemos,[13] listening to the claims of the civil society that signed for the approval of the 10 Anti-corruption Measures, and of the Public Prosecutor's Office, author of the bill.