Klaus Werner Iohannis is a Romanian politician, physicist, and former teacher who served as the president of Romania from 2014 until his resignation in 2025. Prior to entering national politics, Iohannis was a physics teacher at the Samuel von Brukenthal National College in his native Sibiu where he eventually served as mayor from 2000 to 2014 before ascending to the presidency.
- Occupation
- school teacher, politician, physics teacher, school inspector
- Position held
- president of Romania, president of Romania, mayor of Sibiu, mayor of Sibiu
- Citizenship
- Romania
- Born
- June 13, 1959