Karin Anna Mattsson Weijber is a businessperson who has been at the helm of 12 different companies and presently is Chairman for Svenska Skidförbundet, Chairman for Wcr 2019 Jämtland Härjedalen AB, Chairman for Prins Carl Philip Och Prinsessan Sofias Stiftelse, Chairman at Frösö Hästgård AB, Chairman of Frösö Hästgård Fastighetsförvaltning AB and Chairman at Länsförsäkringar Jämtland. Ms. Mattsson Weijber is also Chairman at Region Jämtland Härjedalen and on the board of 9 other companies.

She previously was Chairman at Flyinge AB, Chairman at Konungens Stiftelse Ungt Ledarskap, Chairman of Ridskolan Strömsholm RS AB, Manager of Federation of Swedish Farmers, Chairman at the University of Mid Sweden and Chairman for Riksidrottsförbundet.