Will Trump appoint Stephen Biegun as Ambassador to Russia?

US president Donald Trump is considering Stephen Biegun's candidacy to the position of ambassador to Russia. According to a source related to the matter. Stephen Biegun is the current US special representative to  North Korea, who is trying to revive stalled negotiations with Pyongyang. 
The State Department stated no administrative announcement related to this so far. 
BIegun has studied Russian language and political science at the University of Michigan. He previously has  worked as a congressional staffer and White House foreign policy aide under George W. Bush. 
The source: Euronews