Before taking up coaching, Müfit Arın (born 1962 in Sakarya) played for Taçspor, Arçelik, Çukobirlik, YKM, Tekel, and Çanakkale Seramik SK. He became the head coach of Beşiktaş in 2004. Under his coaching, the Eagles won 5 Turkish League, 4 GSGM, 5 Turkish and 1 Super Cups. Arın also lead his team to bronze medal in 2009 European Challenge Cup. The highly-experienced coach also served for the Turkish national team at various youth levels.