[5] Her director debut is dystopian feature film drama Quarantine (2021)[6] which was shortlisted for the 2022 Golden Globes as a foreign entry.

Diana Ringo's directorial style has been compared to the works of Andrei Tarkovsky, Terrence Malick and Aleksandr Sokurov.

She has attended master classes by the Hollywood composer Lalo Schifrin, directors Paul Verhoeven and David Lynch.

Film score composers whose works have influenced Diana Ringo include Ennio Morricone, Dmitri Shostakovich, Michel Legrand, Giorgio Moroder and Lalo Schifrin.

[16][17][18] As a visual artist and painter, Diana works with oil, gouache, digital techniques, collage and mixed media.