Prior to joining the Festival, Sidonie worked as a freelance director. Her experience working with new plays took her to New York City, where she directed the off-off Broadway production of Thanatos. Sidonie also assistant directed the off-Broadway premiere of the interactive Aunt Chooch's Birthday Party. Locally, she directed I’ll Eat You Last, Other Desert Cities, The Motherf*&#%er With the Hat, Time Stands Still, In the Next Room: the vibrator play, Faith Healer, Rising Water, Iron Kisses, Retreat from Moscow, Omnium Gatherum, the world premiere of Thanatos, SubUrbia, The Waiting Room, Desert Holiday,
Spinning Into Butter, SantaLand Diaries and co-directed Light/Damage with Cynthia Levin, at the Unicorn Theatre. At The Coterie she directed The Macbeth Project: In Spite of Thunder, the U.S. premiere of After Juliet, Mr. A's Amazing Maze Plays, Little House on the Prairie, Little House by the Shores of Silver Lake, Of Mice and Men, Playing for Time and co-directed The Hobbit. Sidonie directed Rose’s Dilemma and Greater Tuna for the American Heartland Theatre, Reckless and Too Clever By Half for UMKC's Rotating Repertory, and co-directed Tony & Tina's Wedding (Kansas City and St. Louis) for Fourth Wall Productions. She directed Jason Chanos as Hamlet, in the Kansas City Symphony’s Supremely Shakespeare concert, and was the stage director for four seasons of “Magic of Christmas” and How the Symphony Saved Christmas. Sidonie was the stage director for Kansas City Civic Opera’s productions of The Marriage of Figaro and Falstaff. In fall 2012, with Elizabeth Suh Lane she co-created and directed Play On! a collaboration of music and words and the following year, did the same with Marriage of True Minds. Sidonie directs the Festival's first indoor production, March 2015, of The Merchant of Venice.
In summer 2015, she will direct King Lear in Southmoreland Park.