Mathias Hedström has taken the place of Mikael Sundstöm, the outgoing president of Nordic Kidswear. The 34-year-old manager was one of the founders of Addnature, the leading Swedish internet store. He will help Maria Frykman, founder, owner and chief executive of Nordic Kidswear, which is the company behind Isbjörn of Sweden, the brand of functional kids' outdoor clothing previously called Nanook.