Ömer Metehan Aynural is a research assistant at İstanbul University. He is specialized in Criminal Law. After he graduated, he finished the criminal law master program with his thesis on “driving under the influence of alcohol and drugs”. Ömer has participated in many of the comparative programs of the partners (the three countries seminars in İstanbul, Giessen and Konstanz) since he was a student at the law faculty. He has published papers in Turkish, English and German. Currently Ömer is working with Prof. Dr. Adem Sözüer and focusing on his dissertation “Criminal Law as a Last Resort (Ultima Ratio)” under Prof. Sözüer’s supervision.