Special Representative of the OSCE CiO for the Transdniestrian Settlement Process (2020-2024);EEAS Managing Director (2015-2019);EU Ambassador to the UN in New York (2011-2015);Austrian Ambassador to the UN in New York (2008-2011);Political Director of the Austrian MFA (2003-2008);Austrian Ambassador to Belgium and NATO (1999-2003);Visiting Professor at the College of Europe in Bruges and Natolin