Lawyers Okan Demirkan

    Okan Demirkan leads the Firm’s Dispute Resolution, Energy & Infrastructure and Ethics & Compliance practices.

    He represents domestic and international clients in a wide range of litigation matters, including commercial disputes, employment related disputes, intellectual property claims, administrative disputes, enforcement and set-aside lawsuits as well as criminal proceedings in relation to white-collar crimes at all levels of Turkish courts.

    With significant experience of 20 years in international arbitration, he regularly serves as counsel, arbitrator or expert witness in various commercial disputes involving Turkish law. Okan is frequently appointed as arbitrator in ICC and ISTAC arbitrations. He has successfully represented several international clients as well as local entities, both in institutional and ad hoc arbitration proceedings concerning major infrastructure projects, including build-operate-transfer (BOT) model investments, share purchase agreements, shareholders agreements, EPC contracts and licensing contracts.  In 2019-2020, Who’s Who Legal and GAR recognized Okan Demirkan as a Future Leader of the Arbitration World, and in 2022-2023, as a Global Leader of the Arbitration World in Turkey.

    In addition to his Dispute Resolution expertise, Okan is a prominent figure in the area of Ethics & Compliance. He has led the Kolcuoğlu Demirkan Koçaklı team in several investigations related to various regulatory as well as anti-bribery/anti-corruption allegations.

    Practice Areas & Work Department

    Dispute Resolution

    Ethics & Compliance

    Energy & Infrastructure





    Foreign Economic Relations Board of Türkiye (DEIK)

    Audit Board Member, Yenibirlider (A New Leader) Association

    Turkish Ethics and Reputation Society (TEID)

    International Bar Association (IBA)

    American Bar Association (ABA)

    International Chamber of Commerce (ICC)

    International Nuclear Law Association (INLA)

    Turkish Corporate Governance Association (TKYD)

    Turkish British Chamber of Commerce and Industry (TBCCI)

    Association of Change Management Professionals (ACMP)

    Galatasaray Sports Club Association