Dariia-Anastasiia Lesniak
Attorney-at-Law at FATUM Attorneys’ Association
Specialises in business defence in criminal proceedings and the development of corporate integrity systems.
She has unique expertise in regulatory policy and international anti-corruption compliance standards, including the FCPA, UKBA and Sapin II.
Legal and Advocacy Practice
September 2025 – present | Attorney-at-Law at FATUM Attorneys’ Association.
January 2025 – present | Private legal practice.
2019 – 2025 | Assistant Attorney-at-Law, with a break for public service.
Specialisation: white-collar crime, anti-corruption compliance, business defence, corporate and military law, support in complex disputes and internal investigations / forensic matters.
Experience in Public Authorities and Compliance
April 2023 – January 2024 | National Agency on Corruption Prevention, Ukraine. Department for the Development of Integrity Policy in the Private Sector.
Analysis of international standards, including OECD, UNODC and FCPA, and adaptation of anti-corruption programmes for businesses.
Legislative drafting and support for the implementation of the State Anti-Corruption Programme.
2018 – 2020 | Professional internships at prosecution authorities, including the Prosecutor General’s Office and the Kyiv Regional Prosecutor’s Office, as well as at the Sumy Court of Appeal and regional state administration bodies.
Education and Qualifications
2021 – 2022 | Kyiv University of Intellectual Property and Law of the National University “Odesa Law Academy”. Master’s degree in Management, Intellectual Property Management.
2016 – 2021 | Taras Shevchenko National University of Kyiv, Institute of Law. Master of Law. Bachelor of Law with honours.
International Certifications
Compliance Officer, CEELI Institute, Czech Republic, 2023.
University of Pennsylvania course, 2022.
Corporate governance programme by PAKU and CIPE, 2021.
Academic and Analytical Work
Author of numerous academic papers and publications on constitutional complaints, admissibility of evidence in criminal proceedings and legal regulation of cryptocurrencies.
Speaker at international scientific and practical conferences on human rights protection and professional ethics of attorneys-at-law.
Expert analyst in business integrity and corruption risk assessment.