Career
Oprescu first ran for Mayor of Bucharest in 1998 backed by the Party of Social Democracy in Romania (PDSR), the precursor to the modern-day Social Democratic Party (Social Democratic Party). He was eliminated in the first round with 19.3% of the vote, losing to incumbent Viorel Lis. He was one of the independent candidates running for president of Romania in the presidential elections which took place on the 22nd of November 2009.
He was a senator representing the Social Democratic Party (Social Democratic Party) between 2000 and April 2008, serving as the vice-president of the Senate Committee for Public Health.
Oprescu resigned from the Senate on 24 June 2008. In 2008, after the Social Democratic Party refused to nominate him to the mayoral elections, he ran as an independent candidate.
He earned the most votes in the first round of the elections. Nevertheless, the Social-Democrat mayor of Bucharest"s Sector 2, Neculai Onţanu, announced he supported Blaga, while the Social-Democrat mayor of Sector 5, Marian Vanghelie, announced he would not support Oprescu and accused him of being a "cheap demagogue".
In September 2015, he was arrested on charges of corruption.
On 15 September 2015, being deposed by Bucharest"s Prefect upon a courts" decision to maintain Oprescu"s arrest, an interim successor was elected from one of the city"s deputy-mayors.