Stefan Sten Olsson is a Swedish businessman, the billionaire heir to the Stena Sphere, a massive private conglomerate spanning shipping (Stena Line), offshore drilling (Stena Drilling), and recycling/metallurgy (Stena Metall). His colossal wealth is generational, tied to the industrial empire founded by his father, Sten A Olsson (d. 2013), in 1939.

Olsson's career is defined by generational stewardship and fiduciary oversight of the complex family assets. His structural role is tied to managing the family's assets, focusing on long-term hold, financial prudence, and industrial diversification.

• Stena Sphere (Family Heir & Shareholder): The core private asset, a massive conglomerate spanning shipping (Stena Line), offshore drilling (Stena Drilling), and recycling (Stena Metall).
• Maritime Focus: His fortune is tied to the long-term, stable profitability of the global shipping, logistics, and resource recycling sectors.
• Family Governance: He and his siblings control the vast private empire. His sister, Dan Sten Olsson, serves as the CEO of Stena AB.
• Investment Strategy: His philosophy is rooted in long-term investment in tangible assets (vessels, drilling rigs, and industrial plants).

Stefan Olsson's structural role is centered on fiduciary stewardship of his inherited assets, ensuring the long-term, stable management of the Stena Sphere legacy. The company's strategic genius lies in its commitment to vertical integration across shipping, recycling, and offshore services. His wealth is secured by the colossal, long-term, stable profitability of the global industrial, shipping, and recycling sectors.

He maintains a notably private profile, focusing on governance and asset preservation.

Stefan Olsson's social impact stems from the Stena Sphere's role as a massive employer and provider of essential maritime, recycling, and industrial services globally. Stena Metall contributes significantly to resource efficiency and environmental management through its recycling operations. The family supports various educational and cultural initiatives in Sweden.

His personal philanthropy supports various community and educational initiatives.

Stefan Olsson maintains the professional, composed style of a corporate executive. His attire is consistently formal and high-quality, favoring tailored suits. His aesthetic reflects serious authority and stability, typical of a leader in the global industrial sector.

Residing in Gothenburg, Sweden, his luxury is the immense security and financial reward derived from his multi-billion dollar fortune. His life is dedicated to corporate governance, strategic investment, and the long-term stewardship of the Stena Sphere.