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The Belgrade Biochemist Who Built the Drug Sanofi Could Not Build Alone

Nenad Tomašević trained at the University of Belgrade and the National Institutes of Health, then spent fifteen years mapping immune cell biology that global pharma had deprioritized. When he co-founded Dren Bio in 2019, he made a platform bet that Novartis and Sanofi would both validate within eighteen months of each other.

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Diaspora

The Belgrade Biochemist Who Built the Drug Sanofi Could Not Build Alone

May 29, 2026
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