Natalie Jaresko could become Ukraine's new PM by the end of the week - former U.S. diplomat

Ukraine's Finance Minister Natalie Jaresko talks with reporters during an interview with the AP in Kyiv, Ukraine, Oct. 27, 2015. (AP Photo)

Speculations grow over the possible changes in the Ukrainian government

Ukrainian Finance Minister Natalie Jaresko could be the new head of the country's government as early as this week. That is according to Steven Pifer, former United States Ambassador to Ukraine and a senior fellow at the Brookings Institution.

"Increasing reports from Kyiv that Finance Minister Jaresko will be appointed new Ukraine Prime Minister, perhaps as early as this week," Pifer tweeted on Monday.

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Despite surviving a no-confidence vote against the government last month, Ukraine's current Prime Minister Arseniy Yatsenyuk is reportedly ready to resign.

Speculations continue to grow as to his possible successor. Some political analysts and insiders believe Jaresko tops the list of candidates for the job.