Zelenskyy appointed "Flash" as his advisor
Ukrainian President Volodymyr Zelenskyy has appointed military expert Serhiy Beskrestnov, better known by his call sign “Flash,” as his advisor. He will work on issues related to the development of modern defense technologies. The head of state signed the corresponding decree on July 17. Serhiy Beskrestnov will hold the position on a non-staff basis.
Ukrainian President Volodymyr Zelenskyy has appointed military expert Serhiy Beskrestnov, known by the call sign “Flash,” as his advisor. According to the document, Serhiy Beskrestnov will serve as an advisor to the President of Ukraine on the development of defense technology. He will hold this position on a non-staff basis.
The new adviser’s primary focus will be on the development of modern military technologies used by the Ukrainian Armed Forces. This includes areas that are currently of key importance on the front lines: unmanned systems, electronic warfare, radio reconnaissance, and other technological solutions. The decree itself does not specify the advisor’s exact responsibilities, but it notes that he will be specifically responsible for the development of defense technology.
Serhiy Beskrestnov is well known in Ukraine as an expert in the field of military technology. For many years, he has been working on issues related to electronic warfare (EW), radio intelligence, and unmanned aerial vehicles. Additionally, “Flash” regularly analyzes new technologies used by the Ukrainian military and the Russian army.
His commentary and analysis often focus on the use of FPV drones, electronic warfare systems, communications systems, and other technologies that directly impact the situation on the battlefield.The appointment was officially formalized by Presidential Decree No. 621/2026, which was signed and published on July 17.
From now on, Serhiy “Flash” Beskrestnov will serve as the President’s advisor on the development of defense technology, helping to advance modern solutions for Ukraine’s security and defense sector. The corresponding decree No. 621/2026 was published on the President’s website on July 17.
Ukrainian President Volodymyr Zelenskyy met with military technology expert Serhiy “Flash” Beskrestnov, during which they discussed current issues related to the technological development of Ukraine’s defense sector.