Katie Mavromati (born Ekaterini Mavromati-Kouzouni) studied graphic arts at the Athens Institute of Technology (Doxiads School). In 1973, thanks to an EOMMEX scholarship, she went to Paris and studied painting and ceramics at the École Nationale Supérieure des Arts Appliqués, and painting at the workshop of artist Pierre Matthey at the École nationale supérieure des Beaux-Arts.
Among her notable exhibitions, it is worth highlighting: the Zygos Art Gallery (1982, 1984, 1987), the Ianos Art Gallery (Thessaloniki 1989), Espace Kreonidis (Athens 1995), Cultural Centre – Hansen Venue (Patra 2001), the Skoufa Art Gallery (Athens 2004), the Marika Kotopouli Museum (Athens 2007), the Hellenic Literary and Historical Archive (Athens 2007) and the Educational Centre of the Egyptian Embassy in Athens (2007).

She has also participated and been distinguished for her work in group exhibitions in Greece, Paris, Cyprus, Bulgaria, Russia and the United States. She has represented Greece during three international exhibitions in Paris, Monte Carlo and Brignoles, France. In 1983, she was chosen among the 10 best painters in Greece for the Young European Artists Exhibition, organised by the EEC (European Economic Community).

Paintings of hers are currently exhibited at: the European Parliament (Belgium); the Vorre Museum (Athens); the Public Gallery of Patras; Chris and Sophia Moschandreou’s Gallery of Modern Art (Aetoloacarnania, Greece); the Hellenic Literary and Historical Archive, and among several private collections in Greece and abroad.

Her art archive can be found at ELIA, the Aristotelio University of Thessaloniki and the library/research centre’s Archive Department of the National Museum of Women in the Arts (Washington, D.C.).

Mavromati was recently awarded a special medal for her work by the Egyptian Ministry of Culture.