Cornelia directed the award-winning feature film The Dark Horse, which won Best Feature at the International Family Film Festival, among many other accolades. She is a writer, director, actor, casting director, choreographer, and acting coach. Her short film, Dancing With You, also won many festival prizes. She has worked on many Seattle features and shorts, including, most recently, Junk, JourneyQuest, Wolfsbane, Expiration Date, Zombies of Mass Destruction, The Book of Zombie, The Gamers: Dorkness Rising, Demon Hunters, November,  and An Eye for an Eye.

She enjoys working with Dead Gentlemen Productions and Zombie Orpheus Productions, and has filled many roles on their sets. As a writer, she was mentored by Madeleine L’Engle, her Godmother, and has adapted two of Madeleine’s novels into screenplays: Camilla Dickinson and Love Letters of a Portuguese Nun, which was a finalist in the First Glance Screenplay Competition, and a semi-finalist at Slamdance. Her original screenplays include The Curse of the Scottish Play, currently in development. She is a contributor to the recent book A Circle of Friends, Remembering Madeleine L’Engle, edited by Katherine Kirkpatrick. She co-founded Seattle Shakespeare Company and has many roots in classical theater.