Ahmet Necdet Sezer is a Turkish statesman and judge who served as the president of Turkey from 2000 to 2007. Previously, he was president of the Constitutional Court of Turkey from January 1998 to May 2000. The Grand National Assembly of Turkey elected Sezer as president in 2000 after Süleyman Demirel's seven-year term expired. He was succeeded by Abdullah Gül in 2007.