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Juncker's presidency of the European Commission ended on 30 November 2019. He had served as President since 2014 and was succeeded by Ursula von der Leyen. Juncker's presidency was marked by a number of challenges, including the ongoing financial crisis, the rise of populism, and the UK's vote to leave the European Union. Despite these challenges, Juncker is widely credited with helping to strengthen the European Union and its institutions.