 On 17 February 2012, the president decided to appoint Mr. Vilén as Finland's new ambassador to Warsaw, Poland, effective from 10 September 2012.In 2014 he was appointed the new EU ambassador to the Council of Europe and took up his functions on 1 September 2014.From October 2018 to March 2020 ambassador Vilen served as the Senior Advisor in Arctic policy matters in the European Political Strategy Centre (EPSC), the in-house think tank of the European Commission serving President Juncker.