On October 15, 2013 Pyatt attended an international conference on fighting anti-Semitism in Kyiv, but could not address the audience at the event due to the United States federal government shutdown of 2013.

The conversation included Nuland saying "Fuck the EU", which were harshly criticized by the President of the European Council Herman van Rompuy and by German Chancellor Angela Merkel.

[8][9][10] The call followed an offer made on January 25, 2014 by Ukrainian president Yanukovych to include two members of the opposition in his government to calm the Maidan protests in Ukraine, one being that of his Prime Minister.

Of Vitali Klitschko, Pyatt said "let him stay out and do his political homework and stuff I'm just thinking in terms of sort of the process moving ahead we want to keep the moderate democrats together".

[13][14][15] After President Yanukovych's dismissal by the Ukrainian Parliament [16] Pyatt characterised pro-Russian separatist rebels in Donetsk and Luhansk as "terrorists".

[citation needed] On April 22, 2022, President Joe Biden nominated Pyatt to the position of Assistant Secretary of State for Energy Resources.