President of Ukraine Volodymyr Zelenskyy has appointed Serhiy Beskrestnov as his freelance adviser on the development of defense technological directions.
The relevant decree, No. 621/2026, was published on the website of the head of state.
Beskrestnov, a military radio technology specialist and tech blogger, served as an adviser to the Minister of Defense of Ukraine from January 25, 2026, and stepped down following the resignation of Minister Mykhailo Fedorov.