Katja Muller, originally from Switzerland, has worked as a journalist for Swiss newspapers for several years. In 2016 she moved to Dakar, Senegal, where she worked as a freelance photographer and journalist. In 2019 Katja Muller was selected to participate in the Masterclass of VII Photo Agency in Barcelona. She also took part in two group exhibitions in Barcelona and in Dakar in the following year. Since 2021 she lives in Chicago, USA.