Mayor of Vienna receives OPEC Secretary General

24 November 2016, Sweetcrude, Vienna, Austria — Mr. Michael Häupl, Mayor of the City of Vienna, received OPEC Secretary-General, Dr. Mohammad Sanusi Barkindo, on Thursday, 24 November 2016, during a courtesy visit to Vienna City Hall (the Wiener Rathaus). The Mayor welcomed the Secretary-General, congratulating him on his new role, and wished him a good […] More »