Donald Tusk became the Prime Minister of Poland in 2007. He served as the Prime Minister until 2014. Tusk is a prominent Polish politician and was a member of the Civic Platform party. His tenure as Prime Minister was marked by various economic and political reforms in Poland. Tusk played a crucial role in strengthening Poland's relations with the European Union and promoting economic development within the country. During his time in office, Poland experienced significant economic growth and became an influential player in European politics. After serving as Prime Minister, Tusk went on to become the President of the European Council from 2014 to 2019.