Diane Vallesteros is a Canadian award-winning film and media composer based in Toronto, ON. She has scored numerous short and feature-length films that have screened across various film festivals, including, VIMFF, RIFF, BANFF, CFF, and VAFF. Recognizing her passion for storytelling through music, many of her musical contributions underscore projects that explore real life stories and human experiences. She has composed for award-winning films, such as, Me+Her, Ahon “Rise,” and SCRAPS. Some of her recent composing credits include dramatic narratives, Becoming the Butterfly and Sorry, It’s A Girl, and documentary films, Outsiderness and Mujer Mariposa. She has contributed additional music on feature films, Call Me Crazy (Amazon Prime US, TUBI) and Lady Parts (Amazon Prime US, TUBI, YouTube Movies).

In 2022, she was a selected participant of SOCAN Foundation’s Screen Music Lab. Most recently, she joined the fifth cohort of The Academy of Canadian Cinema & Television’s Women in Post program as a composer participant.

Diane’s musical journey began as a classically-trained pianist studying under the Royal Conservatory of Music. She earned her Bachelor’s of Fine Arts in Music at York University with the initial focus in classical performance. She then pursued further studies in Sheridan College’s Music Scoring for Screen and Stage program. Prior to film and media composition, Diane performed as a pianist for the Mississauga Ballet Association, and dabbled in the world of musical theatre as a pit musician with On Its Way Musical Productions’ “Next to Normal” (2019), and York University’s Vanier College Productions’ “Shrek the Musical” (2019). 

Her instrumental EP, “Astro Reveries,” is now available on all streaming platforms.