Katrín Matthíasdóttir graduated from Ludwig-Maximilian University, Munich in 1998 with M.A. in German and with Scandinavian studies and  philosophy as minors. On her return from Germany she commenced her education in visual art. From 2007 to 2010 Katrín attended various courses in oil painting at the Art School of Kópavogur. She received an award for her work in the Scandinavian Portrait competition, Portræt Nu, 2011. Katrín has also illustrated two childrens‘ books, Húsið á heimsenda and Ævintýrið um litla Dag.

Katrín has concentrated primarily on figurative art but has also investigated other artistic fields. Her inspiration comes from many directions; man and his interaction with his surroundings in all its aspects. Her work often has a reference to social and environmental elements where global warming is prominent.