Presidential Plenipotentiary Envoy to the Northwestern Federal District has been presented to regional govenors 2013-03-21 15:30:00 St Petersburg Chief of Staff of the Presidential Executive Office Sergei Ivanov introduced the new Presidential Plenipotentiary Envoy to the Northwestern Federal District, Vladimir Bulavin, to the heads of the federal district's regions. Vladimir Bulavin was appointed Presidential Plenipotentiary Envoy to the Northwestern Federal District by Presidential Executive Order of March 11, 2013.