LAWYER PROFILE
Utku Cosar

Utku Cosar

Global 2026

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Chambers ranking badge

Ranked in 2 practice areas

International Arbitration: Arbitrators

USA

1 year ranked

Arbitration

Turkey

2 years ranked

About

Provided by Arbitration Chambers

Global

Practice Areas

Utku CoÅŸar is an independent arbitrator member of Arbitration Chambers with over 25 years of experience. She specialises in commercial and investment arbitration and has extensive experience in energy, finance, construction, technology, sale of goods, shareholders and post-M&A/joint venture-related disputes. She has acted as presiding arbitrator, co-arbitrator and sole arbitrator in commercial and investment cases under the AAA, HKIAC, ICC, LCIA, SCC, SIAC, and Swiss arbitration rules; and subject to English, Russian, Hong Kong, Slovenian, Swiss, Singapore, Turkish, US, and Qatari laws.

Ms. CoÅŸar is a Vice President of the LCIA Court; member of the Arbitration Court of the Swiss Arbitration Centre; member of the Arbitration Court of the Abu Dhabi International Arbitration Centre; and fellow of the Chartered Institute of Arbitrators (CIArb). She is a Deputy Editor of Dispute Resolution International (IBA); a member of the editorial board of Arbitration International (LCIA); and a co-chair of the IBA Task Force on the Revision of the 2013 Guidelines on Party Representation. She is registered on the panels of various arbitral institutions, including the ICDR/AAA, SIAC and the ICANN IRP Standing Panel.

Ms. CoÅŸar is a graduate of Georgetown University, with two LLM degrees in law and international legal studies, and is admitted to practise in New York and Turkiye.

For more information please see: www.arbchambers.com/arbitrators/utku-cosar

Chambers Review

Provided by Chambers

Chambers Global Guide

International Arbitration: Arbitrators - USA

Band 3
Band 3

Individual Editorial

New York-based arbitrator Utku CoÅŸar is capable of managing both commercial and investor-state disputes.

Arbitration - Turkey

Expertise Based Abroad
Turkey, expertise based abroad in USA

Individual Editorial

Utku CoÅŸar is a well-respected practitioner with solid expertise in handling arbitrations in Turkey. She is able to assist clients with international arbitration proceedings out of New York.

Strengths

Provided by Chambers

  • Utku is reliable in every way. She would never leave anything unattended and is on top of every detail. She has significant experience at the international level and in arbitration procedures.

    International Arbitration: ArbitratorsChambers Global Guide
  • I find Utku to be absolutely phenomena and very smart. She is really great in handling complex matters.

    International Arbitration: ArbitratorsChambers Global Guide
  • Utku is someone I would describe as excellent and very competent. She is responsive and precise in her analytical thinking, someone I would not hesitate to recommend for an arbitration.

    International Arbitration: ArbitratorsChambers Global Guide

Ranked Individuals at Arbitration Chambers (28)

Asia-Pacific Region

Europe-wide

Global Market Leaders

Singapore

Turkey

USA

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