On 28 January 2014 Brasseur was elected as the President of the Parliamentary Assembly of the Council of Europe (PACE) for a one-year renewable term, the second woman to hold this post.

[2] In January 2014, she was elected President of the Parliamentary Assembly of the Council of Europe; she received an absolute majority of votes in the first round.

Throughout her time in office, she maintained a constant dialogue with Russian Duma Speaker Sergey Naryshkin and Russia's PACE delegates.

She called on Polish politicians "not to enact, precipitously, legislation relating to the Constitutional Tribunal which may seriously undermine the rule of law.

According to Brasseur, who served as co-author of the report, its goal was to firmly anchor the theory of evolution in school curricula.