Ukraine-U.S. Relations UkrInform: Volker to arrive in Ukraine next week By UkrInform. Published May 10, 2018. Updated May 10 at 4:26 pm Ukrainian President Petro Poroshenko (left) meets with U.S. special envoy Kurt Volker in Kyiv on Jan. 23. Photo by president.gov.ua U.S. Special Representative for Ukraine Negotiations Kurt Volker will visit Ukraine on Monday, May 14. Read more here.