Alexander Darchiev, Russia’s ambassador to the United States, died in Moscow at the age of 66 from a chronic illness, the Russian Foreign Ministry announced on Wednesday. The ministry’s spokeswoman, Maria Zakharova, confirmed the death via Telegram. Darchiev had been appointed to his post in Washington in March 2025, tasked with leading efforts to improve relations with the Trump administration.

Darchiev was a veteran diplomat known for his public criticism of the West. His death marks the end of a diplomatic career spanning decades. The ministry did not specify the exact illness, but stated it was long-term in nature. Darchiev’s role as ambassador came at a time of heightened tensions between Russia and the United States, though his appointment was seen as an attempt to foster closer ties.

Darchiev’s tenure coincided with ongoing conflicts in Ukraine, where Russia and Ukraine reported progress in peace talks, including a large prisoner exchange. The talks, held in Abu Dhabi, involved US envoys and aimed to address the war’s humanitarian and political dimensions. Despite these efforts, the war continued, with attacks on Ukrainian cities and ongoing diplomatic challenges.

The death of Darchiev adds to the complex political landscape surrounding Russia’s foreign relations. His passing highlights the personal and professional stakes of diplomatic roles in a volatile international environment. As the situation in Ukraine remains unresolved, the impact of his death on future diplomatic efforts remains to be seen.