Day: December 7, 2025

Based on reports as of December 7, 2025, Dmitry Kozak has indeed resigned from his position as Deputy Chief of Staff of the Presidential Executive Office.
#DmitryKozak  #Putin  #Ukraine
This is a significant event involving one of the longest-serving members of Vladimir Putin’s inner circle.1 Below are the key details surrounding his departure:

1. The Timeline
Resignation Date: President Putin signed the executive order relieving Kozak of his duties on September 18, 2025.2
Recent Revelations (November 2025): While the resignation happened in September, investigative reports from late November 2025 revealed that Kozak handed Putin a personal letter alongside his resignation.3 In this letter, he reportedly criticized the 2022 invasion of Ukraine in “very strong terms.”4

2. Reasons for Resignation
The resignation appears to be the culmination of a long-standing rift regarding the war in Ukraine:
Opposition to the War: Kozak was reportedly the only high-ranking official in Putin’s inner circle to openly oppose the full-scale invasion during the critical Security Council meetings in February 2022.5
Sidelined Influence: Following his initial opposition, Kozak—who had previously managed the “Ukraine portfolio” and the Minsk Agreements—was stripped of these responsibilities.6 His role was effectively taken over by Sergei Kiriyenko (First Deputy Chief of Staff), who is seen as more hawkish and aligned with the President’s current war strategy.7
Power Struggle: By 2025, Kozak had lost most of his real leverage within the Kremlin.8 His departure is viewed by analysts not as a sudden purge, but as the final exit of a “realist” who no longer fit into the current wartime administration.9

3. Significance & Implications
End of an Era: Kozak was known as the “Iron Chancellor” and had been with Putin since their days in the St. Petersburg mayor’s office in the 1990s.10 He was a “fixer” for difficult problems (e.g., the Sochi Olympics, Crimean integration).11 His exit signals the removal of one of the few remaining figures in the Kremlin who had the standing to voice independent or dissenting opinions to Putin.12
Consolidation of Power: His departure completes the transfer of domestic and near-abroad policy control to technocrats like Kiriyenko, who are focused on executing the war effort without questioning its strategic validity.
Current Status: Unlike other defectors or dismissed officials who face immediate reprisals, Kozak’s exit appears to be a “soft” landing.13 Reports indicate he is currently traveling to Israel for medical treatment and is expected to transition into a private business role rather than facing criminal prosecution.14

Strategic Takeaway: Kozak’s resignation confirms that there is no longer room in the Kremlin for the “old guard” who view the war as a mistake. The administration has fully pivoted to a structure where loyalty to the war effort is the primary metric for survival.

Would you like to explore how this shift in the Presidential Administration might impact future negotiations or Russian domestic policy?

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— Michael Novakhov (@mikenov) Dec 7, 2025

What’s the significance of Dmitry Kozak’s resignation?
#DmitryKozak  #Putin  #Ukraine

The vanishing of the dissenting voices within the Kremlin’s inner circle and a signal of Putin’s unwavering commitment to continuing the war in Ukraine.
The significance of Dmitry Kozak’s September 2025 resignation and his critical private letter to Vladimir Putin can be summarized as a symbol.
Key Significance
Absence of Dissent: Kozak was a long-time, trusted associate of Putin and reportedly the only high-ranking official present at the February 2022 Security Council meeting who spoke against the full-scale invasion, warning of the negative consequences. His departure removes one of the last “realists” or “rational” voices willing to challenge Putin on the war’s viability and effects on Russia’s economy and international standing.
Consolidation of War Commitment: His resignation is widely interpreted by analysts as a sign that any question about support for the war is unwelcome in the current administration. It signals a further consolidation of power among hardliners and those fully committed to Putin’s maximalist war demands in Ukraine.
End of an “Era”: Kozak, a lawyer and effective manager known for a “soft power” approach in Russia’s post-Soviet neighborhood policy, was replaced in influence by figures like Sergei Kiriyenko, who is perceived as more aligned with the regime’s current direction towards unrestrained, legally unjustified violence. His exit is seen by some as symbolizing “the era of the lawyers” being over in the Kremlin.
Rejection of Negotiations: Kozak was involved in early-war peace negotiations with Ukraine and reportedly brokered a potential deal that Putin ultimately rejected because he wanted to annex territory, not just prevent NATO membership. His departure effectively cements Putin’s rejection of a negotiated peace settlement under current conditions.
Power Dynamics: Kozak’s influence had already been waning for years, and his responsibilities were gradually transferred to other officials. His resignation, which came after he was offered a demotion to a less influential regional role, reflects a shift in the Kremlin’s internal power balance and a generational change among elite technocrats.

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— Michael Novakhov (@mikenov) Dec 7, 2025

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— Michael Novakhov (@mikenov) Dec 7, 2025

Kozak’s resignation letter
#DmitryKozak #Putin #Ukraine

Russian official Dmitry Kozak submitted a formal resignation letter in September 2025 and a separate, private letter to President Vladimir Putin in which he harshly criticized the war in Ukraine. The contents of the private letter have been described by sources but have not been made publicly available in full.
Key Details
Resignation Date: Kozak officially resigned from his position as deputy head of the Russian Presidential Administration on September 18, 2025.
Content of the Private Letter: According to reports from the independent Russian media outlet Agentstvo, the personal letter contained a “very harsh” critique of the decision to invade Ukraine. Sources indicate Kozak used “very strong terms” to condemn the attack.
Official Resignation: The official resignation submitted to the Kremlin was a standard, voluntary letter, which was confirmed by Kremlin spokesman Dmitry Peskov.
Opposition to the War: Kozak was reportedly the only high-ranking official within Putin’s inner circle to have openly opposed the war from the beginning. He had previously tried to persuade Putin not to launch the full-scale invasion in February 2022 and later pushed for peace negotiations, which were rejected.
Aftermath: Since his resignation, Kozak has traveled abroad frequently, reportedly for medical treatment, and holds no new government position. His duties have largely been taken over by Sergei Kiriyenko, an official who supports the war.
The contents of the private, critical letter remain confidential, with only descriptions of its tone and general message emerging through investigative journalism sources.

Kozak’s resignation letter – Google Search google.com/search?q=kozak%27…

— Michael Novakhov (@mikenov) Dec 7, 2025