He served as the governor of the Brazilian state of Amazonas from March 31, 2010, to 2014, following the resignation of his predecessor, Eduardo Braga, to become a Senator.

[1] Member of a family of Arab and Italian descent, Omar has already held the post of Alderman in Manaus and Amazonas State Assemblyman in the 1990.

In 1996, he was elected Deputy Mayor of Manaus with Alfredo Nascimento as holder in Office.

In 2000, were re-elected, but in May 2002, Omar left the post to compete with Eduardo Braga plate to the State Government as deputy-governor, election in which they were elected.

In 2008 was apply for as mayor of Manaus by PMN, having won the third place.

In the elections of that year, he was re-elected Governor in the first round with 64% of the vote.

In 2011, was one of the co-founders of the Social Democratic Party (PSD).