Tathiani Sacilotto started has a lawyer and after dealing for some years with extreme cases and losing faith in humanity, she later started producing films in Portugal and so it went for the past 20 years. She is the co-founder of the production companies Persona Non Grata Pictures (Portugal/Brazil) and Diálogos Atómicos (Portugal).

She has produced over 30 films, including features, documentaries, and short films, producing movies that travel around the world, in festivals, cinemas and broadcasters. Tathiani is a member of the European Women's Audiovisual Network (EWA) EAVE Puentes, Producers on the Move and ACE Producers 2022/2023.