Marc Rubiralta Giralt is a Spanish businessman, the billionaire Co-owner and Executive of the Celsa Group, one of Spain's largest private industrial groups and a major global manufacturer of long steel products (rebar, wire rod, commercial shapes). His wealth is generational, tied to the industrial empire founded by his father, Francisco Rubiralta Rubió, in 1967.

Rubiralta's career is defined by generational stewardship and industrial scale. He and his brothers, Francesc Rubiralta (the Chairman) and Jordi Rubiralta (Executive), inherited and managed the massive company. His structural role is tied to the vertical integration of the steel production supply chain, utilizing electric arc furnaces (EAF) for low-emission steel production.

• Celsa Group (Co-owner & Executive): The core private asset, one of Spain's largest industrial groups and a major global manufacturer of long steel products (rebar, wire rod).
• Industrial Focus: His success is built on scale manufacturing and vertical integration (specializing in EAF steel production, which recycles scrap metal).
• Family Governance: He and his brothers control the company.
• Environmental Focus: The company is the largest EAF steel producer in Spain, making it a leader in low-emission steel production.

Marc Rubiralta's strategic leadership involves navigating the highly competitive global steel market and managing Celsa Group's complex operations (which span across Spain, France, U.K., and Poland). The company's success is rooted in its ability to produce high-quality, low-emission steel at scale. He has served in various executive roles, ensuring the operational efficiency of the industrial complex.

His career is marked by financial challenges: the company has faced significant debt restructuring in recent years, reflecting the high-stakes financial environment of the global industrial sector. His wealth is secured by the colossal, long-term, stable profitability of the essential industrial steel and construction materials sector.

Marc Rubiralta's social impact is structural, stemming from Celsa Group's role as a massive industrial employer and foundational supplier of essential long steel products (rebar) for global construction and infrastructure. His company's commitment to scrap metal recycling provides a significant structural contribution to the circular economy and reduced carbon emissions in the steel industry.

His personal philanthropy supports various community and educational initiatives. His career is a testament to the profitability of disciplined industrial scale and environmental commitment in the high-capital steel sector.

Marc Rubiralta maintains the professional, composed style of an industrial executive. His attire is consistently formal and high-quality, favoring tailored business suits. His aesthetic reflects serious authority and stability, typical of a leader in the essential steel manufacturing sector.

Residing in Barcelona, Spain, his luxury is the immense security and financial reward derived from his multi-billion euro fortune. His life is dedicated to industrial scale, technological efficiency, and the long-term management of his global steel empire.