Professor Yeginsu is a barrister practicing from 4 New Square Chambers in Lincoln’s Inn, London, where his work is in commercial litigation, international commercial and investment arbitration, public international law, as well as administrative and human rights law. He also sits as an arbitrator.

Consistently ranked as outstanding by Chambers Global, Chambers UK (Bar), Legal 500, and Who’s Who Legal for his work in international arbitration, commercial litigation, civil liberties, and administrative law, Professor Yeginsu has recently been referred to as “a first-class international advocate […] in a class of his own” (Chambers Global, 2018) and recognised as one of ten “Stars” practicing at the London Bar by Legal Week Magazine where he was identified as possibly one of “the London Bar’s true polymaths […] able to advocate in a wide variety of legal areas, with seemingly effortless fluency”.

Alongside commercial and investment arbitrations (under the ICSID, LCIA, ICC, LMAA and CIArb Rules), Professor Yeginsu has appeared as counsel in over 25 cases in the Court of Appeal of England and Wales, UK Supreme Court, and European Court of Human Rights. He has also acted as co-counsel in proceedings before the ECOWAS Community Court of Justice, the Federal Court of Malaysia, the Turkish Constitutional Court, and the Supreme Court of the Gambia.

Professor Yeginsu is a Lecturer-in-Law at Columbia Law School, New York and Adjunct Professor of Law at Koç University Law School, Istanbul. He is Partner Fellow at the Lauterpacht Centre for International Law, University of Cambridge.