; born 24 July 1966) is a Slovak diplomat serving as Vice-President of the European Commission since 2014. He was European Commissioner for Education, Training, Culture & Youth from 2009 to 2010. In 2010, he was promoted to Vice President of the Commission, a role he served until 2014. His area of responsibility includes the administration of the Commission, including management of some of the Commission's Internal Services; in particular consolidation of administrative reform, personnel and administration, European Schools and security. Since 2014 he serves as Vice President of the Commission for the Energy Union, he was previously slated to become the Commissioner for Transport.
; born 24 July 1966) is a Slovak diplomat and politician serving as Vice-President of the European Commission for Interinstitutional Relations since 2019, and previously from 2010 to 2014. He has been member of the European Commission since 2009. He also stood for the office in the 2019 Slovak presidential election, which he lost against Zuzana Čaputová.
