Konstantin Bureiko is an international counsel based in the London office. He is a member of the firm’s White Collar & Regulatory Defense Group.

Mr. Bureiko’s practice focuses on white collar defence and investigations, with deep experience of conducting international anti-corruption investigations and advising on compliance matters for large multinational companies. His work in this area has taken in more than forty countries, spanning North and South America, Europe, Africa, Asia, Russia and the Middle East. His Russian language skills have also allowed him to develop particular expertise in conducting eastern European and Russian language investigations.

Mr. Bureiko also regularly advises and represents multinational clients on EU and UK trade and financial sanctions issues. He is widely renowned as one of the most authoritative young lawyers advising in this field, and has been recognised twice by WorldECR in its annual awards, which noted he has “established a reputation with major international clients as a sanctions expert, able to blend in-depth technical knowledge with commercial nous.”

Mr. Bureiko is also recommended as a Rising Star in the Regulatory Investigations and Corporate Crime section of The Legal 500 UK (2024), where clients note that he has “a seemingly insatiable appetite for work” and “an encyclopaedic knowledge of the law.” Highlighting his deep sanctions expertise and “excellent technical ability,” clients have also described him in the guide as “brilliant,” “highly qualified, effective and efficient, with excellent availability at all times.” Mr. Bureiko is also recognised by Chambers UK (2024), where clients value his ability “to cut to the real issues.” They note that he is “extremely customer-focused” with “great expertise” and he is also said to be “excellent under pressure and extremely knowledgeable.”

Mr. Bureiko is regularly invited to speak and write on a broad range of issues relevant to his practice, and he has been quoted in relation to sanctions developments by Reuters and the Washington Post. He was part of the Financial Markets Law Committee Working Group that published the “U.S. Sanctions and the E.U. Blocking Regulation: Issues of Legal Uncertainty” report in June, 2019. His recent publications include “What To Know About ‘Prior Obligations’ Sanctions Exemption,” Law360 (July, 2023); “A Game-Changer for UK Corporate Crime Enforcement? Major Expansion of Corporate Criminal Liability Proposed,” NYU Compliance & Enforcement (June, 2023); “OFSI Publishes Updated Enforcement and Penalty Guidance,” NYU Compliance & Enforcement (June, 2022); “UK, EU & US Russian sanctions considerations for insurers,” The Insurer (May, 2022); “SEC Brings its First Corporate Anti-Corruption Action of 2022,” NYU Compliance & Enforcement (April, 2022); “UK sanctions regime: six months of autonomy,” Practical Law (August, 2021); “Bank Melli opinion: The EU Blocking Regulation grows teeth,” Financial Institutions Sanctions Compliance (May, 2021); “Trade sanctions for financial institutions: Beyond OFSI and OFAC,” Financial Institutions Sanctions Compliance (May, 2021); “JCPOA: A New Hope,” WorldECR (February, 2021); “Debevoise & Plimpton Discusses UK’s Autonomous Sanctions Regime,” CLS Blue Sky Blog (January, 2021); “UK Introduces Magnitsky-Style Human Rights Sanctions Regime,” Compliance & Enforcement (July, 2020); and “Court of Appeal Confirms Sanctions Provision Operates to Bar Recovery of Interest on Arbitral Award (Ministry of Defence & Support for Armed Forces of Islamic Republic of Iran v International Military Services Ltd),” LexisNexis Corporate Crime News (February, 2020). Mr. Bureiko is also associate editor of Debevoise’s regular Sanctions Alert.

Prior to joining Debevoise, Mr. Bureiko was a researcher at the Law Commission. He was admitted as a solicitor of the Senior Courts of England & Wales in 2013. He received his LPC from BPP Law School in 2011, and his B.A. from the University of Cambridge in 2009.


  • BPP Law School, 2011, L.P.C.
  • University of Cambridge, 2009, B.A.

Bar Admissions

  • Solicitor, England & Wales