The advice that shaped Insitro CFO Mary Rozenman’s biotech career

Mary Rozenman initially set out to be a doctor, after watching her sister deal with uncontrolled epilepsy throughout her childhood.

But she realized in college, that blood made her cringe. Instead, Rozenman got her doctorate in organic chemistry and chemical biology from Harvard University. 

Then as a 26-year-old working under David Liu, a gene-editing pioneer, something about drug development didn’t sit right with the young chemist. Among the thousands of new discoveries each year, just a small handful of them make it through the “funnel,” she said.

“I envisioned a funnel, where you have at the top of the funnel all of these amazing discoveries and innovations that sort of move through the system,” Rozenman told Business Insider. 

“And somehow only a small handful of them get filtered into medicines that actually make it out into the real world’s drug supply,” she said.

Rozenman needed to understand how that funnel

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