Corina Crețu was born in Romania in 1967. She studied at the Academy of Economic Studies, Department of Cybernetics, graduating in 1989, the year of the Romanian Revolution. She started a career in journalism, working as a reporter and political commentator for several newspapers, before joining the Spokesperson's office of the Romania’s first democratically elected President, Ion Iliescu, in 1992.
Four years later, she became a member of the Romanian Social Democratic Party, and led its Press department while it remained in Opposition. When President Iliescu returned to office in 2000, she became his Spokesperson and the Head of the Public Communication Department of the Presidency.
In the same year she was elected Member of Parliament in the Chamber of Deputies and, in 2004, in the Senate. In 2005, she was part of the Romanian delegation to the European Parliament, and she was elected Member of the European Parliament (sitting with the Progressive Alliance of Socialists and Democrats) in 2007, following the accession of Romania to the European Union.
She was re-elected as MEP in 2009 and in 2014. In 2013, she was elected Vice-President of the Romanian Social Democratic Party and in 2014, she was elected Vice-President of the European Parliament. Starting with November 2014 Member of European Commission.