Maria was a rebel from early years, and is a well known activist in Iceland. She has held numerous protests troughout the years and is founder of the Icelandic “Slut walk”. The walk is Reykjavik’s biggest events during the summer and has, over the years become a movement of protest marches throughout the world. Main goal of the walk is simply ending rape culture and the need in society to excuse rape by referring to any aspect of a woman’s appearance.

Maria has also been linked to various feminist-movements throughout the years. And has sat at the board on the Icelandic feminist organization.