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Semen Kryvonos

Semen Kryvonos

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Semen Kryvonos took over Ukraine's anti-corruption bureau NABU in March 2023 from a post at the construction inspectorate (NABU (opens in a new tab)), and soon called 2023 the most successful year in its history (NABU (opens in a new tab)), a self-assessment. In July 2025 the SBU raided dozens of his employees, often without court orders, as the government moved to curb NABU's independence (Kyiv Independent (opens in a new tab)). In November 2025 his bureau unveiled Operation Midas, an energy-sector embezzlement probe reaching into Zelensky's circle (Ukrainska Pravda (opens in a new tab)). Bottom line: a self-congratulating agency chief whose real test is surviving the state's pushback.

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Evidence & methodology

How the record is sourced and how the score is derived.

The score is formula-derived (Factrail formula v1, version 1.0.0), not an editorial verdict. Read the methodology.

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Expert analysis

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Context and institutional role

Kryvonos took over NABU while Ukraine was fighting Russia’s full-scale invasion and simultaneously trying to preserve reform credibility with citizens, the European Union and international donors. His institution investigates high-level corruption, making its independence from political and prosecutorial interference a core governance issue rather than a narrow law-enforcement concern. This institutional background is documented by NABU (opens in a new tab), which provides the most direct baseline for the office or public role described here. The record is most useful when read as a map of authority: what the person could formally influence, which decisions belonged to other institutions, and where later praise or criticism should be tested against concrete acts rather than reputation alone.

Consequences and significance

Kryvonos’s performance affects more than case statistics. If NABU is perceived as independent and procedurally credible, it strengthens public trust and Ukraine’s case for European integration and reconstruction funding. If it appears politically selective or vulnerable to interference, the damage extends to donor confidence and domestic legitimacy. The central measure is therefore whether investigations remain evidence-based, court-tested and institutionally insulated. NABU (opens in a new tab) provides additional evidence for the surrounding institutional or political context. The important analytical question is not whether the person was simply influential, but what changed for institutions, rights, public resources, security or democratic accountability because of the decisions and events tied to the role.