Ukrainian President Petro Poroshenko has appointed Ukrainian envoy to the EU Kostiantyn Yeliseyev as Deputy Head of the Presidential Administration of Ukraine, the president's press service reported.

"From now on Yeliseyev will be responsible for foreign policy in the Presidential Administration. The Head of State signed the decree on Yeliseyev's appointment as Deputy Head of the Administration," the report said.

The press service said that Yeliseyev's predecessor Valeriy Chaly has started work as Ukrainian Ambassador to the U.S. after Poroshenko signed the decree on Chaly's appointment on July 10.

Yeliseyev worked as the Ukrainian envoy to the EU for five years.