 Complete the following phrase:  Ahmet Peker is winner of several medals in cadets and juniors class at European and world level. He won the gold medal at the World Junior Wrestling Championships in 2006 held in Guatemala City, Guatemala, in 2008 held in Istanbul and in 2009 Ankara, Turkey. He became the gold medalist at the European Juniors Wrestling Championships in 2007 held at Belgrade, Serbia and in 2009 at Tbilisi, Georgia. He won the bronze medal at the 