Haka is a group of artists based in Uppsala, Sweden. The members are Katarina Sundkvist Zohari, Helena Laukkanen, Agneta Forslund, Natasha Dahnberg and Anna-Karin Brus. The group was formed in 2003 and its members share a studio just outside the center of Uppsala. The cooperation has resulted in many national and international exhibitions, curator projects, seminars and lectures. Haka operates the artist-run art space Köttinspektionen together with Uppsalas Fria Teater and Köttinspektionen Dans. In this exhibition Happy Mess the artist group Haka mainly works with affective concepts of happiness. Haka's members work with various media, from sculpture and painting to installation, sound and video art.