Biogen Issues Statement Mourning Co-Founder Charles Weissmann’s Passing

Biogen issued a statement expressing deepest condolences on the passing of Charles Weissmann, MD, Ph.D., a visionary scientist and co-founder.12

Dr. Weissmann, a pioneer in biotechnology, played a foundational role in Biogen's early days as one of the world's first biotech companies.123

He died on December 11, 2025, at age 94 in Switzerland.345

Biogen praised his scientific insight, entrepreneurial spirit, and lasting impact on the company and biotech industry.12

The statement was released on December 22, 2025.12

Sources:

1. https://www.moomoo.com/news/post/63184002/biogen-issues-statement-in-response-to-the-passing-of-charles

2. https://news.futunn.com/en/post/66516621/biogen-issues-statement-in-response-to-the-passing-of-charles

3. https://en.wikipedia.org/wiki/Charles_Weissmann

4. https://wertheim.scripps.ufl.edu/2025/12/15/in-memoriam-recalling-the-wit-and-wisdom-of-inventive-scientist-dr-charles-weissmann-m-d-ph-d/

5. https://www.news.uzh.ch/en/articles/news/2025/charles-weissmann.html