Harabi Derin has been a participant in many all-style and point fighting tournaments in continental Europe during the early 80ies, including the 1982 European Championships in Basel, Switzerland, and been representing Turkish kickboxing on the highest levels for decades. Derin lives in Rüsselsheim, Germany and has a brother who has also been a very prominent and successful competitor: Ibrahim Derin.
During the late 80ies and early 80ies Harabi Derin was the first president of the Turkish kickboxing federation that joined the World All-Style Kickboxing Organization WAKO. Later he became independent and started promoting open championships and professional fight cards in Germany.