Andriy Yermak, head of Ukraine's Presidential Office, has been leading campaigns to supplant three top officials in the Ukrainian government, the Economist reported on July 6, citing multiple anonymous officials.

The story follows a corruption probe into Deputy Prime Minister Oleksii Chernyshov, the highest-ranking official in Ukrainian history to face such charges while still in office. According to the Economist's sources, Yermak was a driving force behind the investigation.

Yermak, President Volodymyr Zelensky's close friend and chief adviser, spurred on the Chernyshov probe while also renewing attempts to replace Kyrylo Budanov, head of Ukraine's military intelligence agency (HUR) , and Prime Ministery Denys Shmyhal, three unnamed officials told the Economist.

There is no evidence that Yermak ordered an investigation into Chernyshov, the Economist reports, but officials told the outlet that he influenced the case by allowing it to progress while freezing other investigations.

Chernyshov ran afoul of Yermak by offering himself as an alternative liaison to Washington, the officials claimed. His removal would also reportedly clear the way for Deputy Prime Minister Yuliia Svyrydenko, a Yermak protege, to assume the role of Prime Minister in the event of Shmyhal's dismissal.

Rumors of a government reshuffle unseating Shmyhal have circulated for months. Ukrainian media reported last summer that Zelensky was considering replacing the prime minister with Svyrydenko. While several key officials were replaced in a reshuffle in September 2024, Shmyhal kept his post.

Chernyshov, too, has said he will not step down from his role as deputy prime minister despite the ongoing corruption probe.  

Reports of imminent dismissal have also periodically surrounded Budanov, Ukraine's spy chief. Budanov has rejected such rumors as "Russian propaganda" in the past.

Sources told the Economist that Yermak was leading another effort to oust Budanov in June 2025. According to the outlet, warnings from the White House not to fire Budanov may have helped secure his position.

Politico reported in June that U.S. officials, particularly those working in the Trump administration, found Yermak's diplomatic style abrasive and off-putting, potentially risking U.S.-Ukrainian relations at a critical time.

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Officials in Washington are frustrated with the diplomatic efforts of Andriy Yermak, head of Ukraine's Presidential Office, and believe he may be undermining Ukraine's efforts to win favor with U.S. President Donald Trump, Politico reported on June 19.

Yermak, President Volodymyr Zelensky's close friend and chief adviser, has represented Ukraine's interests in Washington since Russia's full-scale invasion in 2022.

According to 14 people who spoke to Politico, including U.S. and Ukrainian officials, many people in Washington find Yermak abrasive and uninformed, and fear that he is inaccurately conveying U.S. positions to Zelensky. While the Biden administration was willing to cooperate with Yermak, the Trump team is less accommodating — and more likely to rescind support for Ukraine.

"All the people (in the U.S.) who want to withdraw and abandon Ukraine are thrilled to have Yermak around," one person told Politico.

One person familiar with the situation described Yermak as a "bipartisan irritator" who also frustrated officials under U.S. President Joe Biden. The former administration, however, did not find Yermak's personality a valid reason to withdraw military and humanitarian aid from a key ally defending itself from an all-out war.

Trump's stance on Ukraine has been less supportive from the beginning. Since his inauguration in January, he has refused to approve new military aid packages for Kyiv or impose additional sanctions against Moscow. He has pursued warmer ties with Russia and criticized Zelensky more frequently and harshly than Russian President Vladimir Putin.

Any hopes Ukraine has of winning over Trump may be jeopardized by the administrations tense relationship with Yermak, Politico's sources suggested.

During Yermak's most recent visit to Washington, a last-minute trip in early June, he reportedly struggled to land meetings with Trump officials. One person familiar with the visit described Yermak as an "existential liability for Ukraine."

Sources described Yermak as overly demanding and ignorant of U.S. politics and processes. One person accused Yermak of acting as if Ukraine was the "center of the world" and said his attitude "has already affected the relationship (with Trump)."

In a statement to Politico, Yermak said he was doing everything in his power to protect and support Ukraine.

"If that means being considered 'challenging' by others — so be it," he said.

"I will wait many more hours outside any door if that helps my country and my president's mission. I have no ambition to fully grasp how American politics works — I come to speak about the country I know best: Ukraine."

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