Onur's main practice focuses on Maritime Law. She is highly specialized in this field of expertise and she deals with litigation and arbitration of all sorts of marine insurance related disputes such as collisions, personal injuries and insurance proceedings.

After graduating from Istanbul University Faculty of Law in 2001, she worked for major maritime law firms in Istanbul. Then, she joined Cavus & Coskunsu in 2007 and became a partner of the Firm in 2012.