Over five million gamers have heard Sjöwall's voice as the singer of the "Rapture Anthem" on the popular video games BioShock and BioShock 2. For their album The Seduction of Ingmar Bergman, the unique pop rock band Sparks asked her to portray the sassy Hollywood Starlet, a role she reprised for a sold-out live performance of the album presented by the L.A. Film Festival at the Ford Amphitheatre in Hollywood. A two-time Society of Singers scholarship recipient, she opened for Smokey Robinson at the 16th Annual ELLA Awards honoring Gladys Knight.
On the classical stage, Sjöwall spent two seasons as a Resident Artist with Arizona Opera, where she appeared as the High Priestess (Aida), Frasquita (Carmen), Kate Pinkerton (Madama Butterfly), Edith (Pirates of Penzance), and Amore (Gluck's Orfeo ed Euridice). She also portrayed Lucy in Menotti's The Telephone in Arizona Opera Presents at the MIM. In the 2012/2013 season, she made her role and house debut as the Williamson girl in David Lang's The Difficulty of Crossing a Field with Nashville Opera. For the 2013/2014 season, she will make her role and house debut as Inez in Verdi's Il trovatore with Sacramento Opera. She will also return to Nashville Opera for another role debut, as Mrs. P in Michael Nyman's The Man Who Mistook His Wife for a Hat.
In 2009, Sjöwall made her Carnegie Hall debut in a world premiere by Stephen Edwards. Other composers with whom she has collaborated include Garry Schyman, Patrick Kirst, Andrea Morricone, Christina Whitten Thomas, and Marcus Sjöwall. She has appeared as a guest soloist with the Angeles Chorale (Rutter's Magnificat and Pärt's Magnificat), the UCLA Philharmonia (Mozart's Exsultate, jubilate), the Greater Bridgeport Symphony, the Verdi Chorus, and on the L.A. County Museum of Art's Sundays Live Series.
Sjöwall is a two-time District Winner of the Metropolitan Opera National Council Auditions as well as Winner of the American Jenny Lind Competition, the Redlands Bowl Young Artist Auditions, and the Long Beach Mozart Festival Vocal Competition. She received her Masters in Vocal Performance from UCLA. She also has a B.A. in Political Science from Luther College. A Wisconsin native, she maintains an unabashed love for the Packers.