Between 2019 and 2024, he took a five-year break from national politics, during which he served as a Member of the European Parliament (MEP).

Born in Petrileni, Bihor County, Blaga started his political career after the fall of Communism in Romania in 1989.

Following the legislative election of 1996, he became a member of the Romanian Senate from the Democratic Party, representing Bihor County.

He was reelected at the 2004 election for the Justice and Truth Alliance (DA), of which the Democratic Party (PD) was a member, representing Bucharest (where he presently resides).

[6] On that date, Blaga was charged with influence peddling by the National Anticorruption Directorate and announced his resignation as party co-leader, though he maintained he is innocent.