Gustavo A. Rosemffet (Gusti) is an Argentinian author and illustrated, who lives in Barcelona.

Awarded with Several prizes, such as the National Illustration Prize that he received in 1990, made him known internationally, his books have been published in more than 20 countries.

Nature plays a leading role in his work, which also stands out for the inclusion of people with different abilities through art.

He is co-founder of the non-profit association WINDOWN-LA VENTANA to work for a more inclusive society from the visual arts, conducting inclusive workshops with people with different abilities. He has taught illustration to children, students and professionals in Argentina, Mexico, Bolivia, Ecuador, Chile, Nicaragua, Colombia, Italy, Spain and Catalonia.