A lain Mérieux is a French billionaire businessman and the patriarch of a family that has been at the forefront of public health and diagnostics for generations. He is the chairman of the Mérieux Institute, a holding company that controls a group of world-renowned companies specializing in in-vitro diagnostics, immunotherapy, and food safety. The family's legacy began with his grandfather, Marcel Mérieux, who studied under the famous scientist Louis Pasteur and founded the institute in 1897.

Alain Mérieux took over the family business and was the driving force behind its global expansion and diversification. He founded bioMérieux, now a publicly traded world leader in clinical and industrial diagnostics, which plays a critical role in identifying diseases and contamination. The family's companies are instrumental in developing vaccines and providing solutions to global health crises. Beyond his business achievements, Mérieux is a respected public figure in France, having served in regional politics. He has dedicated his life and his family's enterprise to the advancement of medicine and public health, continuing a legacy that spans more than a century.