J ose Luis Rubiralta is a Spanish billionaire and a key shareholder in Werfen, the multinational diagnostics company founded by his family. Like his brothers, he inherited a stake in the Barcelona-based firm, which has become a global leader in specialized medical diagnostics, particularly in the areas of coagulation and critical care. The company's origins date back to 1966, when it was established by his father, Josep María Rubiralta, and uncle Francisco.

Jose Luis has been a member of Werfen's board of directors since 2013, contributing to the strategic oversight of the company. In addition to his role within the family business, he is active in managing his personal investments. He is a co-owner of Monterri, an investment vehicle he shares with his brothers Marc and Xavier. This entity focuses on a range of investment opportunities, further diversifying the family's wealth beyond the healthcare sector. His profile is that of a discreet but influential figure in European business circles.

Quick Reads:

• Board member and major shareholder of the diagnostics company Werfen.
• Inherited his stake from his father, Josep María Rubiralta.
• Werfen is a global leader in specialized diagnostics like hemostasis.
• Co-owns the investment company Monterri with his brothers.
• Based in Barcelona, Spain.