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Karolos Papoulias served as President of Greece before Prokopis Pavlopoulos. Papoulias held the office from 2005 to 2015, succeeding Konstantinos Stephanopoulos and preceding Pavlopoulos. During his presidency, Papoulias focused on promoting national unity, economic recovery, and Greece's role in the European Union. He also played a significant role in mediating the Cyprus reunification talks.