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Dr. Leonard Bell is the Chief Executive Officer and principal founder of Alexion Pharmaceuticals. Under his leadership, Alexion has grown to become a leading global biopharmaceutical company with fully integrated research, discovery, development, commercial and manufacturing capabilities. Dr. Bell brings a unique combination of scientific, clinical and business skills to Alexion. He is one of the Alexion scientists who developed Soliris® (eculizumab), the company's first product and the first in a new class of therapies to inhibit terminal complement. He also played a critical role in the regulatory submission, approval and introduction of Soliris in 2007. He continues to guide the company's expansion into major markets worldwide, as well as its ongoing research and development programs focused on hematological diseases, cancer and autoimmune disorders. Dr. Bell led Alexion through an initial public offering in 1996, and he has secured financing totaling approximately $800 million to
Position in the VCSift Database
- • 2 investors at Alexion Pharmaceuticals are tracked.
- • 2,490 investors hold the Founder role in VCSift. Leonard Bell is one of them.
Data sourced from 410,343 investor profiles. Updated July 2026.
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