Andrii Nyzhnyi

Andrii Nyzhnyi

Senior Partner

Andrii Nyzhnyi heads the Dispute Resolution practice. He has over 16 years of professional experience in the judiciary and legal consulting. He specializes in the development of corporate legal security measures, comprehensive protection of the interests of corporate and private clients, as well as the resolution of complex disputes and conflicts.

He has practical competencies in supporting commercial and investment disputes, judicial and criminal proceedings arising between creditors and debtors, in developing and implementing strategies for legal protection of business and investments, as well as countering raiding and pressure on business activities.

Sectoral expertise includes work with extractive industries and traditional energy industries, business support in the retail segment, and coordination of infrastructure and educational projects.

Professional experience

Prior to joining Hillmont Partners, Andrii worked in the judiciary for many years. In particular, in the Kyiv District Administrative Court, the Supreme Administrative Court of Ukraine, and as a judge of the local general court. He gained experience in legal consulting at Moor & Krosondovich law firm.

Andrii is an author and co-author of more than 30 scientific and practical publications, including handbook for judges «Invalidation of transactions: fundamentals of theory and judicial practice», articles in the official publications of the Supreme Court of Ukraine, the High Economic Court of Ukraine, the High Administrative Court of Ukraine, the High Specialized Court of Ukraine for Civil and Criminal Cases, the High Qualification Commission of Judges of Ukraine, etc.

Andrii is a national expert under the Council of Europe project Support to the Judiciary of Ukraine in Ensuring Better Access to Justice. He is one of the authors and lecturers of judicial training programmes covering the case law of the European Court of Human Rights, international humanitarian law, international criminal law, and the adjudication of selected categories of civil disputes.

In 2019–2020, Andrii served as a member of the Commission on Legal Reform under the President of Ukraine, contributing to the working group responsible for developing legislation on the organisation of the judiciary and the administration of justice. He is also a Board Member of the Procedural Law Committee of the Ukrainian Bar Association (UBA).

Education

  • Koretsky Institute of State and Law of the National Academy of Sciences of Ukraine, PhD in Law;
  • Studying at Queen Mary University of London, LL.M;
  • Internship in the framework of the International Visitor Leadership Program, the U.S. Department of State’s premier professional exchange program, Intellectual Property Rights: Implementation and Protection.

Awards and Recognition

  • Awarded with certificates of honor of the National School of Judges of Ukraine.
  • ‘Top 100 Lawyers of Ukraine. Client Choice’ ranking, editions 2025-2026 – recognised as a practice leader in Business Protection, Compliance/Internal Investigations, and Energy & Natural Resources.