With her godmother Madeleine L’Engle’s encouragement, Cornelia adapted two of Madeleine's novels: Camilla Dickinson and Love Letters of a Portuguese Nun. In 2017, Cornelia directed Alt, a light-hearted science-fiction feature film, soon to begin its round of film festivals. In 2015 Cornelia directed West of Redemption, starring Billy Zane, Kevin Alejandro, and Mariana Klaveno; a tense, award-winning thriller. In 2012 Cornelia directed Camilla Dickinson, with a cast including Adelaide Clemens, Cary Elwes, Samantha Mathis, and Gregg Sulkin. In 2006 Cornelia wrote and directed The Dark Horse, which premiered at the Seattle International Film Festival and went on to win Best Feature Drama at the International Family Film Festival, among other awards. It is available on Amazon. Cornelia co-founded Seattle Shakespeare Company, directed there, and served as its casting director for seven years. A classically-trained actor/director, she directed stage plays for twenty years before moving behind the camera.