The Stena Sphere consists of the three parent companies, Stena AB, Stena Sessan AB and Stena Metall AB, wholly owned by the Olsson family. Together they make up one of Sweden’s largest family-owned corporate groups. The group’s revenue is 66 billion SEK and profit before tax for FY2021 is 2.3 billion SEK.[1] CEO of the group is Dan Sten Olsson.