Leonid is a German national of Ukrainian origin. He is admitted to practice law in Switzerland and Germany. He has extensive experience advising corporations, sovereign states, private equity and venture capital funds, and high-net-worth individuals on resolving complex disputes.

Leonid has a notable track record in international disputes, including representing European energy companies in high-value gas pricing disputes and advising states and investors in investor-State arbitrations, having previously worked in a leading Swiss law firm specialising in investor-state arbitration. He also has significant experience in sports arbitrations, currently serving as a judge of the Swiss Sports Tribunal.

Leonid is recognised in multiple rankings, including the Financial Times Innovative Lawyers’ Award in 2023 in the category of “Legal Department: Innovation in Operational Efficiency”, Lexology Index (formerly Who’s Who Legal) Future Leaders in Arbitration and the Legal 500.