Stephanie Corneliussen is a Danish actress and model best known for her role as Joanna Wellick, the wife of Tyrell Wellick who is willing to do whatever it takes to put her family in a position of wealth and power, in the psychological thriller television drama series Mr. Robot.
Initially recurring, she was promoted to series regular for Season 2.
Additional television credits include a recurring role as Valentina Vostok on Legends of Tomorrow, the White Nun in American Horror Story: Asylum, Amazon's The Rebels, Royal Pains, Bad Judge and The Exes.
Corneliussen was also seen as Tatiana in HBO's Emmy award-nominated film Hello Ladies, starring opposite creator and funny man Stephen Merchant; as well as the Desert Witch in Tommy Wirkola's Hansel & Gretel Witch Hunters.
Her career began in 2000 after Corneliussen won the Supermodel of Scandinavia contest. She began her international modeling career the following year, and has been featured in numerous publications, including Marie Claire, Vanity Fair, and Vs Magazine.
Corneliussen then gained wide attention as a model in Matchbox Twenty's comeback hit She's so Mean as a havoc-wrecking vixen, and also starred in the music video of Gavin Degraw's hit single Make a Move.
Corneliussen began pursuing her acting career in 2007, beginning with studying in the United Kingdom before moving to Los Angeles in 2010.