Karttunen began his choreographic work in 1995. That was the turning point at which in the words of the creator his creation leapt out of his hands. He himself considers his career as a choreographer to have really begun in 1998, when he completed the highly praised digital duende. Excellent feedback has also been given about Under (2001), Keiju (Fairy, 2002) and Human Imitations (2005).
Humoristic light-heartedness and contradicting it with darker colors is very typical of his works. Moreover, his movement language is surprising and original, fluent but form-oriented.
Karttunen is one of the founding members of Nomadi Productions. In the beginning of 2004, he was awarded a 5-year art grant by the Arts Council of Finland