Shannon Staller was born in Zurich, Switzerland, to Joachim, an electrical engineer, and Edith, a business woman. She has one brother, Justin. She was educated at Gymnase de la Cite, Lausanne before going to University in Zurich. When Shannon was four years old she began commercial modelling. Acting roles followed in theatre, and she made her screen debut in the US production Shiner, written by Kevin Bernhardt. In 2015, together with her partner Nino Ruef, she started a project called «Follow the Two». As «Follow the Two», they take their fans behind the scenes of the entertainment industry and give insight into their jobs all around the world.