- Researcher: PhD, Title of Docent of French (University of Helsinki)
- Politeness
- Address forms
- Inclusive language use
- Academic writing, social writing
- Facebook group: Kirjoitan vaikka ei ole aikaa (‘I write although I don’t have time’)
- Teacher: French language, linguistics and translation
- Science communicator:
- Blogger (in Finnish)
- Podcaster (in Finnish): Ranskaa raakana! (‘Raw French’),
Väitöksen jälkeen (‘After the PhD’, with Camilla Lindholm) - Twitter: @johannasosavi
- Instagram: @johannasosavi