Background
Trettvik, Johan was born on May 15, 1969 in Silkeborg, Denmark. Son of Thorolf and Lilian Trettvik.
Trettvik, Johan was born on May 15, 1969 in Silkeborg, Denmark. Son of Thorolf and Lilian Trettvik.
Master of Science in Psychology, Institute Psychology, University Aarhus, Denmark, 2000. Doctor of Philosophy, Institute Psychology, University Aarhus, 2004.
Consultant Bang & Olufsen, Struer, Denmark, 1998. Research assistant University Aarhus, 2004—2005, assistant professor, 2005—2008. Associate professor University Aalborg, Denmark, since 2008.