Sergii Melnyk is Counsel at KNOETZL. He is a highly experienced international disputes lawyer, admitted to practice in England & Wales, France, and Ukraine. He specializes in international arbitration, handling complex disputes across various industries, including renewable energy, construction, mining, IT, telecommunications, pharmaceuticals, banking and finance. With extensive expertise in both commercial and investor-state arbitration, Sergii previously served as Deputy Counsel at the ICC International Court of Arbitration, where he supervised numerous arbitration cases and advised on procedural matters, jurisdictional challenges, arbitrator appointments, emergency arbitrations, and award scrutiny. Prior to joining KNOETZL, he practiced arbitration as a senior attorney at a French law firm and worked with international dispute resolution teams in Ukraine, Belgium, Switzerland and France.

Beyond his legal practice, Sergii is a lecturer and author in the field of international arbitration. He regularly speaks at international conferences and has delivered lectures on international arbitration to practitioners, students, government officials, and judges. He is also a Member of the Supervisory Board of the International Law Section at Yaroslav Mudryi National Law University (Ukraine).

Sergii holds degrees from MIDS Arbitration LLM (Geneva), University of Bern, Central European University (Budapest), and Yaroslav Mudryi National Law University (Ukraine). Recognized as an Arbitration Future Leader by Lexology and listed in Who’s Who Legal Arbitration – Future Leaders, he is fluent in English, French, Russian, and Ukrainian, with knowledge of German.